java.lang.Integer.hashCode() java.lang.Integer.getInteger(String nm, Integer val) java.lang.Integer.highestOneBit() java.lang.Integer.hashCode() package com.codingdict; import java.lang.*; public class IntegerDemo { public static void main(String[] args) { Integer i = new Integer("20"); /* returns a hash code value for this object, equal to the primitive int value represented by this Integer object */ int retval = i.hashCode(); System.out.println("Value = " + retval); } } java.lang.Integer.getInteger(String nm, Integer val) java.lang.Integer.highestOneBit()