Comparable :::::Sort Employee OBJECT according to Names

package Coparable_Std;
//Sort Employee OBJECT according to Names.......
public class Employee implements Comparable<Employee>
{
int e_id;
int dept_id;
String name;

Employee(int eid,int dept,String name)
{
this.e_id = eid;
this.dept_id = dept;
this.name = name;
}

@Override
public int compareTo(Employee emp)
{
return this.name.compareTo(emp.name); //** For Strings we don't need to do anything
}   //coz String has it own implemented compareTo() for sorting

}

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package Coparable_Std;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Iterator;

public class Employee_Runner {

public static void main(String[] args) 

{

  

  Employee e1 = new Employee(104,072,"Giridhar");

  Employee e2 = new Employee(145,911,"Amit");

  Employee e3 = new Employee(167,053,"Mallik");

  Employee e4 = new Employee(134,884,"Pranav");

  Employee e5 = new Employee(101,445,"Ginny");

  ArrayList list = new ArrayList();

  list.add(e1);

  list.add(e2);

  list.add(e3);

  list.add(e4);

  list.add(e5);   

  Collections.sort(list);

  Iterator itr = list.iterator();

  while(itr.hasNext())

  {

  Employee emp = (Employee)itr.next();

  System.out.println(emp.e_id+"  "+emp.dept_id+"   "+emp.name);

  }  

}

}