public class Employee {

     public String name;

     public int age;

     public int salary;

     

     // No Argument Constructor

     Employee(){

        this.name = "";

        this.age = 0;

        this.salary = 0;

     }

     

     // Single Argument Constructor

     Employee(String name){

        this.name = name;

        this.age = 0;

        this.salary = 0;

     }

     

     // Argument Constructor

     Employee(String name,int age){

        this.name = name;

        this.age = age;

        this.salary = 0;

     }

     

     // Argument Constructor

     Employee(String name,int age,int salary){

        this.name = name;

        this.age = age;

        this.salary = salary;

     }

}