Scanner read input

/**
 * @author lautturi.com 
 * Java example: Scanner taking input
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
		// read input from standard input(keyboard)
		Scanner scanner1 = new Scanner(System.in);

		// read input from the input stream
		Scanner scanner2 = new Scanner(InputStream input);

		// read input from files
		Scanner scanner3 = new Scanner(File file);

		// read input from a string
		Scanner scanner4 = new Scanner(String str);
	}
}