java.lang.Math.expm1(double x) java.lang.Math.exp(double a) java.lang.Math.floor(double a) java.lang.Math.expm1(double x) package com.codingdict; import java.lang.*; public class MathDemo { public static void main(String[] args) { // get two double numbers double x = 5; double y = 0.5; // call expm1 for both numbers and print the result System.out.println("Math.expm1(" + x + ")=" + Math.expm1(x)); System.out.println("Math.expm1(" + y + ")=" + Math.expm1(y)); } } java.lang.Math.exp(double a) java.lang.Math.floor(double a)