this keyword--java

import java.io.*;
class Demo38
{
public static void main(String args[])
{
Employee e=new Employee("ramu", 1232);
e.show();
}}
class Employee
{
String name;
int id;
public Employee(String name, int id)
{
this.name=name;
this.id=id;
}
public void show()
{
System.out.println(name);
System.out.println(id);
}
}