get PI value in java

java.lang.Math.PI : 3.141592653589793
Math.PI: the ratio of the circumference of a circle to its diameter.

/**
 * @author lautturi.com 
 * Java example: get pi value
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {
		System.out.println("PI:" + Math.PI);
	}
}

output:

PI:3.141592653589793