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Actually i am developing a windows application. I want to fetch the hardware/harddisk id which would be unique and this can be able to fetch the id from any operating system. So it can be the best...

I got the solution finally :) thanks

<public class JavaApplication2 {

/**
* @param args the command line arguments
*/
public static void main(String[] args) {
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLSer verDriver");...

public class JavaApplication2 {

/**
* @param args the command line arguments
*/
public static void main(String[] args) {
try {
...

are u using jdk version below 1.4 which does not support scanner class
use bufferedReader instead of that

//this is bean class
package com;

import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
...

Hi.. I am Indrajeet Prajapati

I am having doubt that what is the main difference between java String Class and java Integer Class in term of mutable and immutable