java.lang.Math.cbrt(double a) java.lang.Math.atan2(double y,double x) java.lang.Math.ceil(double a) java.lang.Math.cbrt(double a) package com.codingdict; import java.lang.*; public class MathDemo { public static void main(String[] args) { // get two double numbers double x = 125; double y = 10; // print the cube roots of three numbers System.out.println("Math.cbrt(" + x + ")=" + Math.cbrt(x)); System.out.println("Math.cbrt(" + y + ")=" + Math.cbrt(y)); System.out.println("Math.cbrt(-27)=" + Math.cbrt(-27)); } } java.lang.Math.atan2(double y,double x) java.lang.Math.ceil(double a)