Display double in 2 decimal places in java

/**
 * @author lautturi.com 
 * Java example:java display double in 2 decimal places 
 */

import java.io.PrintWriter;
import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		double input = 3.14159265359;
		System.out.format("double : %.2f", input);
		System.out.println();
		System.out.println("double : " + String.format("%.2f", input));  // formatting to string first

	}
}

output:

double : 3.14
double : 3.14