criyle/codenet-compile-errors huggingface dataset:
Language: Java

import java.io.*;  

public class Main {
    public static void main(String[] args) throws IOException {
	                                         
    	
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String buf = br.readLine();
    ??????String[]x = buf.split(" ",0);
    	
    	int y = Integer.parseInt(x[0]);
    	int z = Integer.parseInt(x[1]);
    	if(y<z)
          System.out.println("y<z" ); 
    	else if(y>z)
          System.out.println("y>z" ); 
    	else if(y==z)
          System.out.println("y==z" ); 
	    
    }
    
}

Compiler output:
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
    ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
     ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
      ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
       ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
        ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
         ^
Main.java:9: error: '.class' expected
    ??????String[]x = buf.split(" ",0);
                  ^
Main.java:9: error: : expected
    ??????String[]x = buf.split(" ",0);
                                      ^
8 errors
Language: Java

import java.io.*;  

public class Main {
    public static void main(String[] args) throws IOException {
	                                         
    	
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String buf = br.readLine();
    ??????String[]x = buf.split(" ",0);
    	
    	int y = Integer.parseInt(x[0]);
    	int z = Integer.parseInt(x[1]);
    	if(y<z)
          System.out.println("y<z" ); 
    	else if(y>z)
          System.out.println("y>z" ); 
    	else if(y==z)
          System.out.println("y==z" ); 
	 ??????return;   
    }
    
}

Compiler output:
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
    ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
     ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
      ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
       ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
        ^
Main.java:9: error: illegal start of expression
    ??????String[]x = buf.split(" ",0);
         ^
Main.java:9: error: '.class' expected
    ??????String[]x = buf.split(" ",0);
                  ^
Main.java:9: error: : expected
    ??????String[]x = buf.split(" ",0);
                                      ^
Main.java:19: error: illegal start of expression
	 ??????return;   
	 ^
Main.java:19: error: illegal start of expression
	 ??????return;   
	  ^
Main.java:19: error: illegal start of expression
	 ??????return;   
	   ^
Main.java:19: error: illegal start of expression
	 ??????return;   
	    ^
Main.java:19: error: illegal start of expression
	 ??????return;   
	     ^
Main.java:19: error: illegal start of expression
	 ??????return;   
	      ^
Main.java:19: error: illegal start of expression
	 ??????return;   
	       ^
15 errors
Language: Java

import java.io.*;  

public class Main {
    public static void main(String[] args) throws IOException {
	                                         
    	
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String buf = br.readLine();
    ??????String[] x = buf.split(" ",0);
    	
    	int y = Integer.parseInt(x[0]);
    	int z = Integer.parseInt(x[1]);
    	if(y<z)
          System.out.println("y<z" ); 
    	else if(y>z)
          System.out.println("y>z" ); 
    	else if(y==z)
          System.out.println("y==z" ); 
	 ??? 
    }
    
}

Compiler output:
Main.java:9: error: illegal start of expression
    ??????String[] x = buf.split(" ",0);
    ^
Main.java:9: error: illegal start of expression
    ??????String[] x = buf.split(" ",0);
     ^
Main.java:9: error: illegal start of expression
    ??????String[] x = buf.split(" ",0);
      ^
Main.java:9: error: illegal start of expression
    ??????String[] x = buf.split(" ",0);
       ^
Main.java:9: error: illegal start of expression
    ??????String[] x = buf.split(" ",0);
        ^
Main.java:9: error: illegal start of expression
    ??????String[] x = buf.split(" ",0);
         ^
Main.java:9: error: '.class' expected
    ??????String[] x = buf.split(" ",0);
                   ^
Main.java:9: error: : expected
    ??????String[] x = buf.split(" ",0);
                                       ^
Main.java:19: error: illegal start of expression
	 ??? 
	 ^
Main.java:19: error: illegal start of expression
	 ??? 
	  ^
Main.java:19: error: illegal start of expression
	 ??? 
	   ^
Main.java:20: error: illegal start of expression
    }
    ^
12 errors
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
  
class Main{
  public static void main(String args[]) throws IOException{
     int a,b;
      Scanner a= new Scanner(System.in);
      Scanner b = new Scanner(System.in);
     if(a>b)
            System.out.println("a>b");
     if(a<b)
            System.out.println("a<b");
     else
            System.out.println("a=b");
  }
}

Compiler output:
Main.java:8: error: cannot find symbol
      Scanner a= new Scanner(System.in);
      ^
  symbol:   class Scanner
  location: class Main
Main.java:8: error: variable a is already defined in method main(String[])
      Scanner a= new Scanner(System.in);
              ^
Main.java:8: error: cannot find symbol
      Scanner a= new Scanner(System.in);
                     ^
  symbol:   class Scanner
  location: class Main
Main.java:9: error: cannot find symbol
      Scanner b = new Scanner(System.in);
      ^
  symbol:   class Scanner
  location: class Main
Main.java:9: error: variable b is already defined in method main(String[])
      Scanner b = new Scanner(System.in);
              ^
Main.java:9: error: cannot find symbol
      Scanner b = new Scanner(System.in);
                      ^
  symbol:   class Scanner
  location: class Main
6 errors
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
  
class Main{
  public static void main(String args[]) throws IOException{
     int a,b;
      Scanner nhap= new Scanner(System.in);
      a=nhap.nextInt();
      Scanner nhap= new Scanner(System.in);
      b=nhap.nextInt();
     if(a>b)
            System.out.println("a>b");
     if(a<b)
            System.out.println("a<b");
     else
            System.out.println("a=b");
  }
}

Compiler output:
Main.java:8: error: cannot find symbol
      Scanner nhap= new Scanner(System.in);
      ^
  symbol:   class Scanner
  location: class Main
Main.java:8: error: cannot find symbol
      Scanner nhap= new Scanner(System.in);
                        ^
  symbol:   class Scanner
  location: class Main
Main.java:10: error: cannot find symbol
      Scanner nhap= new Scanner(System.in);
      ^
  symbol:   class Scanner
  location: class Main
Main.java:10: error: cannot find symbol
      Scanner nhap= new Scanner(System.in);
                        ^
  symbol:   class Scanner
  location: class Main
4 errors
Language: Java

//include thu vien
#include  <iostream>
#include <conio.h>
using namespace std;
	int main()	
{
	int a,b;
	cin>>a>>b;
	if(a<b)cout<<"a<b"<<endl;
	else if (a>b)cout<<"a>b"<<endl;
	else cout<<"a==b"<<endl;
    return 0;
}

Compiler output:
Main.java:2: error: illegal character: '#'
#include  <iostream>
^
Main.java:3: error: illegal character: '#'
#include <conio.h>
^
Main.java:8: error: not a statement
	cin>>a>>b;
	      ^
Main.java:9: error: not a statement
	if(a<b)cout<<"a<b"<<endl;
	                  ^
Main.java:10: error: not a statement
	else if (a>b)cout<<"a>b"<<endl;
	                        ^
Main.java:11: error: not a statement
	else cout<<"a==b"<<endl;
	                 ^
Main.java:5: error: unnamed classes are a preview feature and are disabled by default.
	int main()	
	^
  (use --enable-preview to enable unnamed classes)
7 errors
Language: Java

public class Main{
    public static void main(String args[]){
    int a;
    int b;
        if(a < b){
            System.out.println("a < b");
        }else if (a > b){
            System.out.println("a > b");
        }else {
            System.out.println("a == b");
        }
    }
}

Compiler output:
Main.java:5: error: variable a might not have been initialized
        if(a < b){
           ^
Main.java:5: error: variable b might not have been initialized
        if(a < b){
               ^
2 errors
Language: Java

public class Main{
    public static void main(String args[]){
    int a;
    int b;
        if(a < b);{
            System.out.println("a < b");
        }else if (a > b){
            System.out.println("a > b");
        }else {
            System.out.println("a == b");
        }
    }
}

Compiler output:
Main.java:7: error: 'else' without 'if'
        }else if (a > b){
         ^
1 error
Language: Java

public class Main{
    public static void main(String args[]){
    int a;
    int b;
        if(a < b);{
            System.out.println("a < b");
        } else if (a > b){
            System.out.println("a > b");
        } else {
            System.out.println("a == b");
        }
    }
}

Compiler output:
Main.java:7: error: 'else' without 'if'
        } else if (a > b){
          ^
1 error
Language: Java

public class Main{
    public static void main(String args[]){
    int a;
    int b;
        if(a < b);{
            System.out.println("a < b");
        } else if (a > b);{
            System.out.println("a > b");
        } else {
            System.out.println("a == b");
        }
    }
}

Compiler output:
Main.java:7: error: 'else' without 'if'
        } else if (a > b);{
          ^
Main.java:9: error: 'else' without 'if'
        } else {
          ^
2 errors
Language: Java

public class Main{
    public static void main(String args[]){
    int a;
    int b;
        if(a < b){
            System.out.println("a < b")
        } else if(a > b){
            System.out.println("a > b")
        } else {
            System.out.println("a == b")
        }
    }
}

Compiler output:
Main.java:6: error: ';' expected
            System.out.println("a < b")
                                       ^
Main.java:8: error: ';' expected
            System.out.println("a > b")
                                       ^
Main.java:10: error: ';' expected
            System.out.println("a == b")
                                        ^
3 errors
Language: Java

public class Main{
    public static void main(String args[]){
    int a;
    int b;
        if(a < b){
            System.out.println("a < b");
        } else if(a > b){
            System.out.println("a > b");
        } else {
            System.out.println("a == b");
        }
    }
}

Compiler output:
Main.java:5: error: variable a might not have been initialized
        if(a < b){
           ^
Main.java:5: error: variable b might not have been initialized
        if(a < b){
               ^
2 errors
Language: Java

public class Main{
    public static void main(String args[]){
    int a;
    int b;
        if (a < b){
            System.out.println("a < b");
        } else if (a > b){
            System.out.println("a > b");
        } else {
            System.out.println("a == b");
        }
    }
}

Compiler output:
Main.java:5: error: variable a might not have been initialized
        if (a < b){
            ^
Main.java:5: error: variable b might not have been initialized
        if (a < b){
                ^
2 errors
Language: Java

public class Main{
    public static void main(String args[]){
    int a;
    int b;
        if (a < b){
            System.out.println("a < b");
        } else if (a > b){
            System.out.println("a > b");
        } else if (a == b){
            System.out.println("a == b");
        }
    }
}

Compiler output:
Main.java:5: error: variable a might not have been initialized
        if (a < b){
            ^
Main.java:5: error: variable b might not have been initialized
        if (a < b){
                ^
2 errors
Language: Java

import java.util.Scanner;

public class test {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String x = sc.nextLine();
		String[] b = x.split(" ");
		int a = Integer.parseInt(b[0]);
		int c = Integer.parseInt(b[1]);
		if (a > c) {
			System.out.println("a>b");

		}
		if (a < c) {
			System.out.println("a<b");

		}
		if (a == c) {
			System.out.println("a==b");

		}

	}
}

Compiler output:
Main.java:3: error: class test is public, should be declared in a file named test.java
public class test {
       ^
1 error
Language: Java

import java.util.Scanner;

public class test {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String x = sc.nextLine();
		String[] b = x.split(" ");
		int a = Integer.parseInt(b[0]);
		int c = Integer.parseInt(b[1]);
		if (a > c) {
			System.out.println("a > b");

		}
		if (a < c) {
			System.out.println("a < b");

		}
		if (a == c) {
			System.out.println("a == b");

		}

	}
}

Compiler output:
Main.java:3: error: class test is public, should be declared in a file named test.java
public class test {
       ^
1 error
Language: Java

import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
int a=sc.newInt();
int b=sc.newInt();
if(a<b){System.out.println(a<b);
even if(a>b){System.out.println(a>b);
else {System.out.println(a=b);}}}}}

Compiler output:
Main.java:8: error: not a statement
even if(a>b){System.out.println(a>b);
^
Main.java:8: error: ';' expected
even if(a>b){System.out.println(a>b);
    ^
Main.java:9: error: 'else' without 'if'
else {System.out.println(a=b);}}}}}
^
3 errors
Language: Java

import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
int a=sc.newInt();
int b=sc.newInt();
if(a<b){System.out.println(a<b);}
else if(a>b){System.out.println(a>b);}
else {System.out.println(a=b);}}}

Compiler output:
Main.java:5: error: cannot find symbol
int a=sc.newInt();
        ^
  symbol:   method newInt()
  location: variable sc of type Scanner
Main.java:6: error: cannot find symbol
int b=sc.newInt();
        ^
  symbol:   method newInt()
  location: variable sc of type Scanner
2 errors
Language: Java

import java.io.*;
import java.util.*;

class Main{
    public static void main(String[] args){
    Scanner scan = new Scanner(System.in);

    int a = scan.nextInt();
    int b = scan.nextInt();

    if(a < b){
    System.out.println("a < b");
    }else if(a > b){
    System/out.println("a > b");
    }else{
    System.out.println("a == b");
    }
}
}

Compiler output:
Main.java:14: error: not a statement
    System/out.println("a > b");
          ^
1 error
Language: Java

import java.util.a*;
import java.util.b*;
public class Main{
public static void main(String[] args){
Scanner sc= new Scanner(System.in);
int a=sc.nextInt();
int b=sc.nextInt();
if(a<b){System.out.println(a<b);}
else if(a>b){System.out.println(a>b);}
else {System.out.println(a=b);}}}

Compiler output:
Main.java:1: error: ';' expected
import java.util.a*;
                  ^
Main.java:2: error: ';' expected
import java.util.b*;
                  ^
2 errors
Language: Java

import java.util.a.*;
import java.util.b.*;
public class Main{
public static void main(String[] args){
Scanner sc= new Scanner(System.in);
int a=sc.nextInt();
int b=sc.nextInt();
if(a<b){System.out.println(a<b);}
else if(a>b){System.out.println(a>b);}
else {System.out.println(a=b);}}}

Compiler output:
Main.java:1: error: package java.util.a does not exist
import java.util.a.*;
^
Main.java:2: error: package java.util.b does not exist
import java.util.b.*;
^
Main.java:5: error: cannot find symbol
Scanner sc= new Scanner(System.in);
^
  symbol:   class Scanner
  location: class Main
Main.java:5: error: cannot find symbol
Scanner sc= new Scanner(System.in);
                ^
  symbol:   class Scanner
  location: class Main
4 errors
Language: Java

import java.util.*a;
import java.util.*b;
public class Main{
public static void main(String[] args){
Scanner sc= new Scanner(System.in);
int a=sc.nextInt();
int b=sc.nextInt();
if(a<b){System.out.println(a<b);}
else if(a>b){System.out.println(a>b);}
else {System.out.println(a=b);}}}

Compiler output:
Main.java:1: error: ';' expected
import java.util.*a;
                  ^
Main.java:2: error: ';' expected
import java.util.*b;
                  ^
2 errors
Language: Java

import java.util.io.*;
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc= new Scanner(System.in);
int a=sc.nextInt();
int b=sc.nextInt();
if(a<b){System.out.println("a<b");}
else if(a>b){System.out.println("a>b");}
else {System.out.println("a=b");}}}

Compiler output:
Main.java:1: error: package java.util.io does not exist
import java.util.io.*;
^
1 error
Language: Java

import java.util.Scanner

public class main {
  public static void main(String[] args);
    Scanner scan = new Scanner(System.in);
    int a = scan.nextInt();
    int b = scan.nextInt();
    if (a > b) {
      System.out.println("a > b");
    } else if (a < b) {
      System.out.println("a < b");
    } else if (a == b) {
      System.out.println("a == b");
    }
  }
}

Compiler output:
Main.java:1: error: ';' expected
import java.util.Scanner
                        ^
Main.java:8: error: illegal start of type
    if (a > b) {
    ^
Main.java:8: error: <identifier> expected
    if (a > b) {
         ^
Main.java:8: error: <identifier> expected
    if (a > b) {
             ^
Main.java:10: error: illegal start of type
    } else if (a < b) {
      ^
Main.java:10: error: > or ',' expected
    } else if (a < b) {
                    ^
Main.java:12: error: illegal start of type
    } else if (a == b) {
      ^
Main.java:12: error: <identifier> expected
    } else if (a == b) {
                ^
Main.java:12: error: <identifier> expected
    } else if (a == b) {
                     ^
Main.java:16: error: class, interface, enum, or record expected
}
^
10 errors
Language: Java

import java.util.Scanner;
 
public class main {
  public static void main(String[] args);
    Scanner scan = new Scanner(System.in);
    int a = scan.nextInt();
    int b = scan.nextInt();
    if(a > b) {
      System.out.println("a > b");
    } else if(a < b) {
      System.out.println("a < b");
    } else {
      System.out.println("a == b");
    }
  }
}

Compiler output:
Main.java:8: error: illegal start of type
    if(a > b) {
    ^
Main.java:8: error: <identifier> expected
    if(a > b) {
        ^
Main.java:8: error: <identifier> expected
    if(a > b) {
            ^
Main.java:10: error: illegal start of type
    } else if(a < b) {
      ^
Main.java:10: error: > or ',' expected
    } else if(a < b) {
                   ^
Main.java:12: error: illegal start of type
    } else {
      ^
Main.java:16: error: class, interface, enum, or record expected
}
^
7 errors
Language: Java

import java.util.Scanner;
  
public class main {
  public static void main(String[] args);
    Scanner scan = new Scanner(System.in);
    int a = scan.nextInt();
    int b = scan.nextInt();
    if (a>b) {
      System.out.println("a > b");
    } else if(a<b) {
      System.out.println("a < b");
    } else {
      System.out.println("a == b");
    }
  }
}

Compiler output:
Main.java:8: error: illegal start of type
    if (a>b) {
    ^
Main.java:8: error: <identifier> expected
    if (a>b) {
         ^
Main.java:8: error: <identifier> expected
    if (a>b) {
           ^
Main.java:10: error: illegal start of type
    } else if(a<b) {
      ^
Main.java:10: error: > or ',' expected
    } else if(a<b) {
                 ^
Main.java:12: error: illegal start of type
    } else {
      ^
Main.java:16: error: class, interface, enum, or record expected
}
^
7 errors
Language: Java

import java.util.Scanner;
  
public class main {
  public static void main(String[] args);
    Scanner scan = new Scanner(System.in);
    int a = scan.nextInt();
    int b = scan.nextInt();
    if (a > b) {
      System.out.println("a > b");
    } else if(a < b) {
      System.out.println("a < b");
    } else {
      System.out.println("a == b");
    }
  }
}

Compiler output:
Main.java:8: error: illegal start of type
    if (a > b) {
    ^
Main.java:8: error: <identifier> expected
    if (a > b) {
         ^
Main.java:8: error: <identifier> expected
    if (a > b) {
             ^
Main.java:10: error: illegal start of type
    } else if(a < b) {
      ^
Main.java:10: error: > or ',' expected
    } else if(a < b) {
                   ^
Main.java:12: error: illegal start of type
    } else {
      ^
Main.java:16: error: class, interface, enum, or record expected
}
^
7 errors
Language: Java

import java.util.Scanner;
  
public class main {
  public static void main(String[] args);
    Scanner scan = new Scanner(System.in);
    int a = scan.next();
    int b = scan.next();
    if(a > b) {
      System.out.println("a > b");
    } else if(a < b) {
      System.out.println("a < b");
    } else {
      System.out.println("a == b");
    }
  }
}

Compiler output:
Main.java:8: error: illegal start of type
    if(a > b) {
    ^
Main.java:8: error: <identifier> expected
    if(a > b) {
        ^
Main.java:8: error: <identifier> expected
    if(a > b) {
            ^
Main.java:10: error: illegal start of type
    } else if(a < b) {
      ^
Main.java:10: error: > or ',' expected
    } else if(a < b) {
                   ^
Main.java:12: error: illegal start of type
    } else {
      ^
Main.java:16: error: class, interface, enum, or record expected
}
^
7 errors
Language: Java

import java.util.Scanner;
  
public class main {
  public static void main(String[] args);
    Scanner scan = new Scanner(System.in);
    String aa = scan.next();
    String bb = scan.next();
    int a = Integer.parseInt(aa);
    int b = Integer.parseInt(bb);
    if(a > b) {
      System.out.println("a > b");
    } else if(a < b) {
      System.out.println("a < b");
    } else {
      System.out.println("a == b");
    }
  }
}

Compiler output:
Main.java:10: error: illegal start of type
    if(a > b) {
    ^
Main.java:10: error: <identifier> expected
    if(a > b) {
        ^
Main.java:10: error: <identifier> expected
    if(a > b) {
            ^
Main.java:12: error: illegal start of type
    } else if(a < b) {
      ^
Main.java:12: error: > or ',' expected
    } else if(a < b) {
                   ^
Main.java:14: error: illegal start of type
    } else {
      ^
Main.java:18: error: class, interface, enum, or record expected
}
^
7 errors
Language: Java

import java.util.Scanner;
   
public class Main {
  public static void main(String[] args);
    Scanner scan = new Scanner(System.in);
    String aa = scan.next();
    String bb = scan.next();
    int a = Integer.parseInt(aa);
    int b = Integer.parseInt(bb);
    if(a > b) {
      System.out.println("a > b");
    } else if(a < b) {
      System.out.println("a < b");
    } else {
      System.out.println("a == b");
    }
  }
}

Compiler output:
Main.java:10: error: illegal start of type
    if(a > b) {
    ^
Main.java:10: error: <identifier> expected
    if(a > b) {
        ^
Main.java:10: error: <identifier> expected
    if(a > b) {
            ^
Main.java:12: error: illegal start of type
    } else if(a < b) {
      ^
Main.java:12: error: > or ',' expected
    } else if(a < b) {
                   ^
Main.java:14: error: illegal start of type
    } else {
      ^
Main.java:18: error: class, interface, enum, or record expected
}
^
7 errors
Language: Java

import java.util.*;

public class Main{
	public static void main(String[] args) throws Exception{

		int a,b;
		String comp;
		Scanner sc = new Scanner(System.in);

		a = sc.nextInt();
		b = sc.nextInt();

		if(a > b){
			comp = "a > b";
		}
		else if(a == b){
			comp = "a == b";
		}
		else if(a < b){
			comp = "a < b";
		}

		System.out.println(comp);

	}
}

Compiler output:
Main.java:23: error: variable comp might not have been initialized
		System.out.println(comp);
		                   ^
1 error
Language: Java

import java.util.Scanner;
public class Main3 {
	public static void main(String[] args){
		int a,b;
		Scanner scan = new Scanner(System.in);
	     a = Integer.parseInt(scan.next());
	     b = Integer.parseInt(scan.next());
		if(a<b){
		System.out.println(a+"<"+b);
		}else if(a>b){
		System.out.println(a+">"+b);
		}else{
	    System.out.println(a+"=="+b);
		}
		
	}
}

Compiler output:
Main.java:2: error: class Main3 is public, should be declared in a file named Main3.java
public class Main3 {
       ^
1 error
Language: Java

import java.util.Scanner;
public class Main3{
	public static void main(String[] args){
		int a,b;
		Scanner scan = new Scanner(System.in);
	     a = Integer.parseInt(scan.next());
	     b = Integer.parseInt(scan.next());
		if(a<b){
		System.out.println(a+"<"+b);
		}else if(a>b){
		System.out.println(a+">"+b);
		}else{
	    System.out.println(a+"=="+b);
		}
		
	}
}

Compiler output:
Main.java:2: error: class Main3 is public, should be declared in a file named Main3.java
public class Main3{
       ^
1 error
Language: Java

public class Main {

    
    /**
     * @param args the command line arguments
     * @throws java.io.IOException
     */
    public static void main(String[] args) throws IOException {
        // TODO code application logic here
        InputStreamReader is = new InputStreamReader(System.in);       
        BufferedReader br = new BufferedReader(is);
        String s=br.readLine();
       StringTokenizer st=new StringTokenizer(s," ");
         
        int a=Integer.parseInt(st.nextToken());
        int b=Integer.parseInt(st.nextToken());
        
       if(-1000 <= a && 1000 >= b){
           if(a < b){
               System.out.println("a < b");
           }else if(a > b){
               System.out.println("a > b");
           }else if(a == b){
               System.out.println("a == b");
           }
       }
     
    
}
}

Compiler output:
Main.java:8: error: cannot find symbol
    public static void main(String[] args) throws IOException {
                                                  ^
  symbol:   class IOException
  location: class Main
Main.java:10: error: cannot find symbol
        InputStreamReader is = new InputStreamReader(System.in);       
        ^
  symbol:   class InputStreamReader
  location: class Main
Main.java:10: error: cannot find symbol
        InputStreamReader is = new InputStreamReader(System.in);       
                                   ^
  symbol:   class InputStreamReader
  location: class Main
Main.java:11: error: cannot find symbol
        BufferedReader br = new BufferedReader(is);
        ^
  symbol:   class BufferedReader
  location: class Main
Main.java:11: error: cannot find symbol
        BufferedReader br = new BufferedReader(is);
                                ^
  symbol:   class BufferedReader
  location: class Main
Main.java:13: error: cannot find symbol
       StringTokenizer st=new StringTokenizer(s," ");
       ^
  symbol:   class StringTokenizer
  location: class Main
Main.java:13: error: cannot find symbol
       StringTokenizer st=new StringTokenizer(s," ");
                              ^
  symbol:   class StringTokenizer
  location: class Main
7 errors
Language: Java

import java.util.*;                                                                                  

public class Mainl {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        String line = sc.nextLine();
        String[] l = line.split(" ");
        int a = Integer.parseInt(l[0]);
        int b = Integer.parseInt(l[1]);

        if(a < b) {
          System.out.println("a<b");
        } else if(a > b) {
          System.out.println("a>b");
        } else {
          System.out.println("a==b");
        }   

    }   
}

Compiler output:
Main.java:3: error: class Mainl is public, should be declared in a file named Mainl.java
public class Mainl {
       ^
1 error
Language: Java

public class Main {
	public static void main(String[] args){

		Scanner scan = new Scanner(System.in);

		System.out.println("??°????????\?????????????????????");
		int a = scan.nextInt();
		System.out.println("a = " + a);

		System.out.println("??°????????\?????????????????????");
		int b = scan.nextInt();
		System.out.println("b = " + b);


		if(a < b){
			System.out.println("a < b");
		}else if(a>b){
			System.out.println("a > b");
		}else if(a == b){
			System.out.println("a == b" );

		}
	}

}

Compiler output:
Main.java:6: error: illegal escape character
		System.out.println("???????????\?????????????????????");
		                                ^
Main.java:10: error: illegal escape character
		System.out.println("???????????\?????????????????????");
		                                ^
2 errors
Language: Java

'use strict';
(function(stdin) {
  var inputs = stdin.toString().trim().split('\n');
  var params = inputs[0].split(' ').map(Number);

  (function(a, b) {
    // ????????????????????????
    var math = 1
    var math = 2
    
    if (a < b){
      return ('a < b');
    }else if(a > b){
      return ('a > b');
    }else if(a == b){
      return ('a == b');
    }

  }(params[0], params[1]));

}(require('fs').readFileSync('/dev/stdin', 'utf8')));

Compiler output:
Main.java:1: error: unclosed character literal
'use strict';
^
Main.java:1: error: unclosed character literal
'use strict';
           ^
Main.java:4: error: unnamed classes are a preview feature and are disabled by default.
  var params = inputs[0].split(' ').map(Number);
  ^
  (use --enable-preview to enable unnamed classes)
Main.java:6: error: class, interface, enum, or record expected
  (function(a, b) {
  ^
Main.java:12: error: unclosed character literal
      return ('a < b');
              ^
Main.java:12: error: unclosed character literal
      return ('a < b');
                    ^
Main.java:13: error: class, interface, enum, or record expected
    }else if(a > b){
    ^
Main.java:14: error: unclosed character literal
      return ('a > b');
              ^
Main.java:14: error: unclosed character literal
      return ('a > b');
                    ^
Main.java:15: error: class, interface, enum, or record expected
    }else if(a == b){
    ^
Main.java:16: error: unclosed character literal
      return ('a == b');
              ^
Main.java:16: error: unclosed character literal
      return ('a == b');
                     ^
Main.java:17: error: class, interface, enum, or record expected
    }
    ^
Main.java:21: error: class, interface, enum, or record expected
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
          ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
             ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
                             ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
                                        ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
                                           ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
                                                ^
20 errors
Language: Java

'use strict';
(function(stdin) {
  var inputs = stdin.toString().trim().split('\n');
  var params = inputs[0].split(' ').map(Number);

  (function(a, b) {
    // ????????????????????????
    var math = 1
    var math = 2
    
    if (a < b){
      console.log ('a < b');
    }else if(a > b){
      console.log('a > b');
    }else if(a == b){
      console.log('a == b');
    }

  }(params[0], params[1]));

}(require('fs').readFileSync('/dev/stdin', 'utf8')));

Compiler output:
Main.java:1: error: unclosed character literal
'use strict';
^
Main.java:1: error: unclosed character literal
'use strict';
           ^
Main.java:4: error: unnamed classes are a preview feature and are disabled by default.
  var params = inputs[0].split(' ').map(Number);
  ^
  (use --enable-preview to enable unnamed classes)
Main.java:6: error: class, interface, enum, or record expected
  (function(a, b) {
  ^
Main.java:12: error: unclosed character literal
      console.log ('a < b');
                   ^
Main.java:12: error: unclosed character literal
      console.log ('a < b');
                         ^
Main.java:13: error: class, interface, enum, or record expected
    }else if(a > b){
    ^
Main.java:14: error: unclosed character literal
      console.log('a > b');
                  ^
Main.java:14: error: unclosed character literal
      console.log('a > b');
                        ^
Main.java:15: error: class, interface, enum, or record expected
    }else if(a == b){
    ^
Main.java:16: error: unclosed character literal
      console.log('a == b');
                  ^
Main.java:16: error: unclosed character literal
      console.log('a == b');
                         ^
Main.java:17: error: class, interface, enum, or record expected
    }
    ^
Main.java:21: error: class, interface, enum, or record expected
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
          ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
             ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
                             ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
                                        ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
                                           ^
Main.java:21: error: unclosed character literal
}(require('fs').readFileSync('/dev/stdin', 'utf8')));
                                                ^
20 errors
Language: Java

let a = 1
let b = 2

if(a > b){
 console.log(a > b)
 }else if("a < b");{
 console.log("a < b");
 }else if(a == b){
 console.log("a == b")
 }

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
let a = 1
^
  (use --enable-preview to enable unnamed classes)
Main.java:1: error: ';' expected
let a = 1
         ^
Main.java:6: error: class, interface, enum, or record expected
 }else if("a < b");{
                   ^
Main.java:8: error: class, interface, enum, or record expected
 }else if(a == b){
 ^
4 errors
Language: Java


package test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Small_Large_Equal {

    public static void main(String[] args) throws IOException {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] input = br.readLine().split(" ");

        int a = Integer.parseInt(input[0]);
        int b = Integer.parseInt(input[1]);

        if (a < b) {
            System.out.println("a < b");
        }
        else if (a > b) {
            System.out.println("a > b");
        }
        else if (a == b) {
            System.out.println("a == b");
        }

    }
}

Compiler output:
Main.java:8: error: class Small_Large_Equal is public, should be declared in a file named Small_Large_Equal.java
public class Small_Large_Equal {
       ^
1 error
Language: Java

import java.util.Scanner;

public class Main1 {
	public static void main(String[] args){
		//????????£?????????????????????
		Scanner sc = new Scanner(System.in);
		//a???????????????
		int a = sc.nextInt();
		//b???????????????
		int b = sc.nextInt();
		//?????¶???
		if( a < b){
			System.out.println("a < b");
		//a??????b???????????§???????????°?¨????
		}else if(b < a){
			System.out.println("b < a");
		//a??????b??????????°????????????°??¨???
		}else if(a == b){
		//a??¨b?????????????????°??¨???
			System.out.println("a == b ");
		}
	}
}

Compiler output:
Main.java:3: error: class Main1 is public, should be declared in a file named Main1.java
public class Main1 {
       ^
1 error
Language: Java

import java.io.* ;
public class Main {
    public static void main(String[] args){
         
        try {
            InputStreamReader isr = new InputStreamReader(System.in);
            BufferedReader br = new BufferedReader(isr);
            String buf = br.readLine();
            StringTokenizer st=new StringTokenizer(buf," ");
            int a = Integer.parseInt(st.nextToken());
            int b = Integer.parseInt(st.nextToken());
 
            if(a < b)
                System.out.println("a < b");
            else if(a > b)
                System.out.println("a > b");
            else if(a == b)
                System.out.println("a == b");
 
        } catch(IOException e) {
            System.err.println(e);
        }
    }
}

Compiler output:
Main.java:9: error: cannot find symbol
            StringTokenizer st=new StringTokenizer(buf," ");
            ^
  symbol:   class StringTokenizer
  location: class Main
Main.java:9: error: cannot find symbol
            StringTokenizer st=new StringTokenizer(buf," ");
                                   ^
  symbol:   class StringTokenizer
  location: class Main
2 errors
Language: Java

import java.io.* ;

public class Main {
    public static void main(String[] args){
         
        try {
            InputStreamReader isr = new InputStreamReader(System.in);
            BufferedReader br = new BufferedReader(isr);
            String buf = br.readLine();
            StringTokenizer st=new StringTokenizer(buf," ");
            int a = Integer.parseInt(st.nextToken());
            int b = Integer.parseInt(st.nextToken());
 
            if(a < b)
                System.out.println("a < b");
            else if(a > b)
                System.out.println("a > b");
            else if(a == b)
                System.out.println("a == b");
 
        } catch(IOException e) {
            System.err.println(e);
        }
    }
}

Compiler output:
Main.java:10: error: cannot find symbol
            StringTokenizer st=new StringTokenizer(buf," ");
            ^
  symbol:   class StringTokenizer
  location: class Main
Main.java:10: error: cannot find symbol
            StringTokenizer st=new StringTokenizer(buf," ");
                                   ^
  symbol:   class StringTokenizer
  location: class Main
2 errors
Language: Java

import java.io.*;
  
public class Main {
    public static void main(String[] args) {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
            String[] str = br.readLine().split(" ");
            int a = Integer.parseInt(str[0]);
            int b = Integer.parseInt(str[1]);

            if(a < b){
            System.out.println("a < b");
            }else if(a > b){
            System.out.println("a > b");
            }else{
            System.out.println("a == b");
            }
        
    }
}

Compiler output:
Main.java:7: error: unreported exception IOException; must be caught or declared to be thrown
            String[] str = br.readLine().split(" ");
                                      ^
1 error
Language: Java

import java.io.*;
  
class Main
{
     static InputStreamReader isr;
     static BufferedReader br;
     static String output;
     static String[] data = new String[2];
  
     static void initialize ()
     {
          isr = new InputStreamReader(System.in);
          br = new BufferedReader(isr);
          output = null;
          for (String d : data)
          {
               d = null;
          }
     }
  
     public static void main (String[] args)
     {
           initialize();
           try {
                data = (br.readLine()).split(" ");
                if (Integer.parseInt(data[0])-Integer.parseInt(data[1]) == 0) {
                     output = "a == b";
                } else (Integer.parseInt(data[0])-Integer.parseInt(data[1]) > 0) {
                     output = "a>b";
                } else {
                     output = "a<b";
                }
            System.out.println(output);
           } catch (IOException e) {
           } finally {
                try {
                      br.close();
                } catch (IOException e) {
                }
           }
     }
}

Compiler output:
Main.java:28: error: not a statement
                } else (Integer.parseInt(data[0])-Integer.parseInt(data[1]) > 0) {
                       ^
Main.java:28: error: ';' expected
                } else (Integer.parseInt(data[0])-Integer.parseInt(data[1]) > 0) {
                                                                                ^
Main.java:30: error: 'else' without 'if'
                } else {
                  ^
3 errors
Language: Java

public class Main{
    public static void main (String[] args) {
Scanner scanner = new Scanner(System.in);
????????????int a = scanner.nextInt();
        int b = scanner.nextInt();
        if(a <= b){
             System.out.println(a +"<" + b);
           }else if(b <= a){
            System.out.println(b +"<" + a);
            }else if(b == a){
             System.out.println(b +"==" + a);
            }
    }
}

Compiler output:
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
 ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
  ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
   ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
    ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
     ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
      ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
       ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
        ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
         ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
          ^
Main.java:4: error: illegal start of expression
????????????int a = scanner.nextInt();
           ^
Main.java:4: error: '.class' expected
????????????int a = scanner.nextInt();
                ^
Main.java:4: error: : expected
????????????int a = scanner.nextInt();
                                     ^
14 errors
Language: Java

public class Main{
    public static void main (String[] args) {
Scanner scanner = new Scanner(System.in);
int a = scanner.nextInt();
        int b = scanner.nextInt();
        if(a <= b){
             System.out.println(a +"<" + b);
           }else if(b <= a){
            System.out.println(b +"<" + a);
            }else if(b == a){
             System.out.println(b +"==" + a);
            }
    }
}

Compiler output:
Main.java:3: error: cannot find symbol
Scanner scanner = new Scanner(System.in);
^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
Scanner scanner = new Scanner(System.in);
                      ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java

public class Main{
    public static void main (String[] args) {
Scanner scanner = new Scanner(System.in);
int a = scanner.nextInt();
int b = scanner.nextInt();
         if(a <= b){
             System.out.println(a +"<" + b);
           }else if(b <= a){
            System.out.println(b +"<" + a);
            }else if(b == a){
             System.out.println(b +"==" + a);
            }
    }
}

Compiler output:
Main.java:3: error: cannot find symbol
Scanner scanner = new Scanner(System.in);
^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
Scanner scanner = new Scanner(System.in);
                      ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java

import java.util.*;
import java.lang.*;

class Main {
    public static void main(String[] args) {
         Scanner scan = new Scanner(System.in);
         a = scan.nextInt();
         b = scan.nextInt();
         
         StringBuffer s = new StringBuffer();
         
         if (a>b) s = ">";
         else if (a<b) s = "<";
         esle s= "=";

         System.out.println(a + " " + s + " " + b);
     }
}

Compiler output:
Main.java:7: error: cannot find symbol
         a = scan.nextInt();
         ^
  symbol:   variable a
  location: class Main
Main.java:8: error: cannot find symbol
         b = scan.nextInt();
         ^
  symbol:   variable b
  location: class Main
Main.java:12: error: cannot find symbol
         if (a>b) s = ">";
             ^
  symbol:   variable a
  location: class Main
Main.java:12: error: cannot find symbol
         if (a>b) s = ">";
               ^
  symbol:   variable b
  location: class Main
Main.java:12: error: incompatible types: String cannot be converted to StringBuffer
         if (a>b) s = ">";
                      ^
Main.java:13: error: cannot find symbol
         else if (a<b) s = "<";
                  ^
  symbol:   variable a
  location: class Main
Main.java:13: error: cannot find symbol
         else if (a<b) s = "<";
                    ^
  symbol:   variable b
  location: class Main
Main.java:13: error: incompatible types: String cannot be converted to StringBuffer
         else if (a<b) s = "<";
                           ^
Main.java:14: error: cannot find symbol
         esle s= "=";
         ^
  symbol:   class esle
  location: class Main
Main.java:14: error: variable s is already defined in method main(String[])
         esle s= "=";
              ^
Main.java:16: error: cannot find symbol
         System.out.println(a + " " + s + " " + b);
                            ^
  symbol:   variable a
  location: class Main
Main.java:16: error: cannot find symbol
         System.out.println(a + " " + s + " " + b);
                                                ^
  symbol:   variable b
  location: class Main
12 errors
Language: Java

import java.util.*;
import java.lang.*;

class Main {
    public static void main(String[] args) {
         Scanner scan = new Scanner(System.in);
         int a = scan.nextInt();
         int b = scan.nextInt();
         
         StringBuffer s = new StringBuffer();
         
         if (a>b) s = ">";
         else if (a<b) s = "<";
         esle s= "=";

         System.out.println(a + " " + s + " " + b);
     }
}

Compiler output:
Main.java:12: error: incompatible types: String cannot be converted to StringBuffer
         if (a>b) s = ">";
                      ^
Main.java:13: error: incompatible types: String cannot be converted to StringBuffer
         else if (a<b) s = "<";
                           ^
Main.java:14: error: cannot find symbol
         esle s= "=";
         ^
  symbol:   class esle
  location: class Main
Main.java:14: error: variable s is already defined in method main(String[])
         esle s= "=";
              ^
4 errors
Language: Java

import java.util.*;
//import java.lang.*;

class Main {
    public static void main(String[] args) {
         Scanner scan = new Scanner(System.in);
         int a = scan.nextInt();
         int b = scan.nextInt();
         String s;
         
        // StringBuffer s = new StringBuffer();
         
         if (a>b) s = ">";
         else if (a<b) s = "<";
         esle s= "=";

         System.out.println(a + " " + s + " " + b);
     }
}

Compiler output:
Main.java:15: error: cannot find symbol
         esle s= "=";
         ^
  symbol:   class esle
  location: class Main
Main.java:15: error: variable s is already defined in method main(String[])
         esle s= "=";
              ^
2 errors