input/output in java

System.in :The "standard" input stream.
System.out:The "standard" output stream.

/**
 * @author lautturi.com 
 * Java example: java standard input output example
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		Scanner input = new Scanner(System.in);
    	
        // Getting float input
        System.out.print("Enter float: ");
        float myFloat = input.nextFloat();
        System.out.println("Float entered = " + myFloat);
    	
        // Getting double input
        System.out.print("Enter double: ");
        double myDouble = input.nextDouble();
        System.out.println("Double entered = " + myDouble);
    	
        // Getting String input
        System.out.print("Enter text: ");
        String myString = input.next();
        System.out.println("Text entered = " + myString);

	}
}