java.lang.Double.doubleToRawLongBits() java.lang.Double.doubleToLongBits() java.lang.Double.doubleValue() java.lang.Double.doubleToRawLongBits() package com.codingdict; import java.lang.*; public class DoubleDemo { public static void main(String[] args) { Double d = new Double("10.50"); //returns the bits that represent the floating-point number System.out.println("Value = " + d.doubleToRawLongBits(2.5d)); } } java.lang.Double.doubleToLongBits() java.lang.Double.doubleValue()