June 2018 Update

Task/Input-loop/Java/input-loop-1.java

@@ -1,9 +1,25 @@
+import java.io.InputStream;
 import java.util.Scanner;
-...
-Scanner in = new Scanner(System.in);//stdin
-//new Scanner(new FileInputStream(filename)) for a file
-//new Scanner(socket.getInputStream()) for a network stream
-while(in.hasNext()){
-	String input = in.next(); //in.nextLine() for line-by-line
-	//process the input here
+
+public class InputLoop {
+    public static void main(String args[]) {
+        // To read from stdin:
+        InputStream source = System.in;
+
+        /*
+        Or, to read from a file:
+        InputStream source = new FileInputStream(filename);
+
+        Or, to read from a network stream:
+        InputStream source = socket.getInputStream();
+        */
+
+        Scanner in = new Scanner(source);
+        while(in.hasNext()){
+            String input = in.next(); // Use in.nextLine() for line-by-line reading
+
+            // Process the input here. For example, you could print it out:
+            System.out.println(input);
+        }
+    }
 }

Task/Input-loop/Java/input-loop-2.java

@@ -1,16 +1,31 @@
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
-...
-try{
-	BufferedReader inp = new BufferedReader(new InputStreamReader(System.in));//stdin
-	//new BufferedReader(new FileReader(filename)) for a file
-	//new BufferedReader(new InputStreamReader(socket.getInputStream())) for a network stream
-		while(inp.ready()){
-			String input = inp.readLine();//line-by-line only
-			//in.read() for character-by-character
-			//process the input here
-		}
-} catch (IOException e) {
-	//There was an input error
+import java.io.Reader;
+
+public class InputLoop {
+    public static void main(String args[]) {
+        // To read from stdin:
+        Reader reader = new InputStreamReader(System.in);
+
+        /*
+        Or, to read from a file:
+        Reader reader = new FileReader(filename);
+
+        Or, to read from a network stream:
+        Reader reader = new InputStreamReader(socket.getInputStream());
+        */
+
+        try {
+            BufferedReader inp = new BufferedReader(reader);
+            while(inp.ready()) {
+                int input = inp.read(); // Use in.readLine() for line-by-line
+
+                // Process the input here. For example, you can print it out.
+                System.out.println(input);
+            }
+        }  catch (IOException e) {
+            // There was an input error.
+        }
+    }
 }