convert double value to float in java

/**
 * @author lautturi.com
 * Java example: java convert float to double/ double to float conversion
 */

import java.text.DecimalFormat;

public class Lautturi {

	public static void main(String[] args) {

		double d = 3.1415;
		float f = (float)d;
		
		float f2 = 3.141592f;
		double d2 = (double) f2;
		
		System.out.println(d);
		System.out.println(f);
		System.out.println(d2);
		System.out.println(f2);

	}
}

output:

3.1415
3.1415
3.141592025756836
3.141592