Inheritance, Super Class , Sub Class in JAVA.

Employee class, which contains fields such as name and designation. And a subclass, which contains a field salary. Write a program for inheriting this relation.
CODING:

class Employee
{
  String name,designation;
  public Employee(String n,String d)
   {
     name=n;
     designation=d;
   }
  public void EmpDisp()
   {
    System.out.println("Employee Name:"+name+"\nDesignation:"+designation);
   }
}
class EmployeeSalary extends Employee
{
  double salary;
  public EmployeeSalary(String n,String d,double s)
   {
     super(n,d);
     salary=s;
   }
  public void EmpDisp()
   {
    super.EmpDisp();
    System.out.print("Salary:"+salary);
   }
}
class Emp
{
 public static void main(String [] args)
  {
    EmployeeSalary Emp1=new EmployeeSalary("Mike","Manager",500000);
    Emp1.EmpDisp();
  }
}