java.lang.Double.toString() java.lang.Double.toHexString() java.lang.Double.toString(double d) java.lang.Double.toString() package com.codingdict; import java.lang.*; public class DoubleDemo { public static void main(String[] args) { Double d = new Double("5.3"); // returns a string representation String retval = d.toString(); System.out.println("Value = " + retval); } } java.lang.Double.toHexString() java.lang.Double.toString(double d)