java.lang.Double.toString(double d) java.lang.Double.toString() java.lang.Double.valueOf(double d) java.lang.Double.toString(double d) package com.codingdict; import java.lang.*; public class DoubleDemo { public static void main(String[] args) { Double d1 = new Double("9.7"); // returns a string representation of the double argument String retval = Double.toString(d1); System.out.println("Value = " + retval); } } java.lang.Double.toString() java.lang.Double.valueOf(double d)