Create 16a Files and exceptions

Week 3: Objects, files and exceptions/16a Files and exceptions

@@ -0,0 +1,64 @@
+Read from a file in Java
+- can use Scanner class - BUT read from file
+- and endpoint is known (for a file)
+vs
+- cuz Scanner usu reads from keyboard - System.in stream
+
+
+
+
+
+eg
+names.txt
+Jack
+Jane
+Pia
+Pete
+Andrew
+Ann
+Lisa
+Larry
+
+
+
+// read contents of the file - names.txt
+import java.io.File;
+import java.util.Scanner;
+
+public class Example {
+    public static void main(String[] args){
+    
+        // create File object, read from filepath
+        File file = new File("names.txt");
+        
+        // direct the scanner to a file
+        try(Scanner reader = new Scanner(file)) {
+
+            while (reader.hasNextLine()) {
+                System.out.println(reader.nextLine());
+            }
+
+        } 
+        catch (Exception e) {
+            System.out.println("An error happened!");
+        }
+    }
+}
+
+Program outputs:
+Jack
+Jane
+Pia
+Pete
+Andrew
+Ann
+Lisa
+Larry
+
+
+
+
+
+
+
+