A quick example to show how to read the standard input in Java.

package com.mkyong.io;
 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
 
public class printStdIn{
 
	public static void main (String args[]) {
 
	try{
		BufferedReader br = 
                      new BufferedReader(new InputStreamReader(System.in));
 
		String input;
 
		while((input=br.readLine())!=null){
			System.out.println(input);
		}
 
	}catch(IOException io){
		io.printStackTrace();
	}	
  }
}
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