java.lang.Integer.compareTo() java.lang.Integer.byteValue() java.lang.Integer.decode() java.lang.Integer.compareTo() package com.codingdict; import java.lang.*; public class IntegerDemo { public static void main(String[] args) { // compares two Integer objects numerically Integer obj1 = new Integer("25"); Integer obj2 = new Integer("10"); int retval = obj1.compareTo(obj2); if(retval > 0) { System.out.println("obj1 is greater than obj2"); } else if(retval < 0) { System.out.println("obj1 is less than obj2"); } else { System.out.println("obj1 is equal to obj2"); } } } java.lang.Integer.byteValue() java.lang.Integer.decode()