Language: Java

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Collection;
import java.io.IOException;
import java.util.stream.Collectors;
import java.util.function.Function;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Stream;
import java.util.Map;
import java.util.Map.Entry;
import java.util.NoSuchElementException;
import java.util.Collections;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        CPoll solver = new CPoll();
        solver.solve(1, in, out);
        out.close();
    }

    static class CPoll {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = in.nextInt();
            ArrayList<String> array = new ArrayList<>();
            while (in.hasNext()) {
                array.add(in.next());
            }
            Map<String, Long> counts = array.stream()
                    .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));

            List<Map.Entry<String, Long>> array2 = new ArrayList<>();
            counts.entrySet().stream()
                    .sorted(Map.Entry.java.util.Map.Entry.comparingByKey())
                    .sorted(Collections.java.util.Collections.reverseOrder(Map.Entry.java.util.Map.Entry.comparingByValue()))
                    .forEach(array2::add);
            long matchCount = 0;
            for (Map.Entry<String, Long> entry : array2) {
                if (matchCount <= entry.getValue()) {
                    matchCount = entry.getValue();
                    out.println(entry.getKey());
                }
            }
        }

    }

    static class Scanner {
        private final InputStream in;
        private final byte[] buffer;
        private int ptr;
        private int buflen;

        public Scanner(InputStream in) {
            this.in = in;
            this.buffer = new byte[1024];
            this.ptr = 0;
            this.buflen = 0;
        }

        private boolean hasNextByte() {
            if (ptr < buflen) return true;
            else {
                ptr = 0;
                try {
                    buflen = in.read(buffer);
                } catch (IOException e) {
                    e.printStackTrace();
                }
                if (buflen <= 0) return false;
            }
            return true;
        }

        private byte readByte() {
            if (hasNextByte()) return buffer[ptr++];
            return -1;
        }

        private boolean isPrintableChar(byte c) {
            return '!' <= c && c <= '~';
        }

        private void skipUnprintable() {
            while (hasNextByte() && !isPrintableChar(buffer[ptr])) {
                ptr++;
            }
        }

        public boolean hasNext() {
            skipUnprintable();
            return hasNextByte();
        }

        public String next() {
            if (!hasNext()) throw new NoSuchElementException();
            StringBuilder sb = new StringBuilder();
            byte b = readByte();
            while (isPrintableChar(b)) {
                sb.appendCodePoint(b);
                b = readByte();
            }
            return sb.toString();
        }

        public int nextInt() {
            if (!hasNext()) throw new NoSuchElementException();
            int n = 0;
            boolean minus = false;
            byte b = readByte();
            if (b == '-') {
                minus = true;
                b = readByte();
            }
            if (b < '0' || '9' < b) throw new NumberFormatException();
            while (true) {
                if ('0' <= b && b <= '9') {
                    n *= 10;
                    n += b - '0';
                } else if (b == -1 || !isPrintableChar(b)) {
                    return minus ? -n : n;
                } else {
                    throw new NumberFormatException();
                }
                b = readByte();
            }
        }

    }
}



Compiler output:
Main.java:45: error: cannot find symbol
                    .sorted(Map.Entry.java.util.Map.Entry.comparingByKey())
                                     ^
  symbol:   variable java
  location: interface Entry
Main.java:46: error: cannot find symbol
                    .sorted(Collections.java.util.Collections.reverseOrder(Map.Entry.java.util.Map.Entry.comparingByValue()))
                                       ^
  symbol:   variable java
  location: class Collections
Main.java:46: error: cannot find symbol
                    .sorted(Collections.java.util.Collections.reverseOrder(Map.Entry.java.util.Map.Entry.comparingByValue()))
                                                                                    ^
  symbol:   variable java
  location: interface Entry
3 errors