Program to demonstrate Employee Informatiom by passing parameters in constructors of different class

Program to demonstrate Employee Informatiom by passing parameters in constructors of different class

class staff
{

    private int code;
    private String name;
    private String address;

    staff(int c,String n,String a)
    {
        code=c;
        name=n;
        address=a;
    }

    void showdata()
    {
          System.out.println("Code = "+code);
          System.out.println("Name = "+name);
          System.out.println("Address = "+address);
    }
}


class teacher extends staff
{
    private    String subject;
    private String publication;

    teacher(int c,String n,String a,String s,String p)
    {
        super(c,n,a);
        subject=s;
        publication=p;
    }

    void showdata()
    {
        super.showdata();
        System.out.println("Subject = "+subject);
        System.out.println("Publication = "+publication);
    }
}

class officer extends staff
{
    private    String grade;

    officer(int c,String n,String a,String g)
    {
        super(c,n,a);
        grade=g;
    }

    void showdata()
    {
        super.showdata();
        System.out.println("Grade = "+grade);
    }
}

class typist extends staff
{
    private int speed;

    typist(int c,String n,String a,int s)
    {
        super(c,n,a);
        speed=s;
    }

    void showdata()
    {
        super.showdata();
        System.out.println("Speed = "+speed);
    }
}


class casual extends typist
{
    private    int dailywages;

    casual(int c,String n,String a,int s,int dw)
    {
        super(c,n,a,s);
        dailywages=dw;
    }

    void showdata()
    {
        super.showdata();
        System.out.println("Dailywages = "+dailywages);
    }
}

class regular extends typist
{
    private    int pay;

    regular(int c,String n,String a,int s,int p)
    {
        super(c,n,a,s);
        pay=p;
    }

    void showdata()
    {
        super.showdata();
        System.out.println("Monthly Pay = "+pay);
    }
}

class Employees
{

public static void main(String args[])
{
 casual c=new casual(1001,"Sharad","Borivali",40,100);
 officer o=new officer(2001,"Shrikanth","Dadar","A");
 teacher t=new teacher(3001,"Smita","Parel","Maths","Tect-Max Publications");
 regular r=new regular(4001,"Anil","Vidyavihar",30,5000);

 c.showdata();
 o.showdata();
 t.showdata();
 r.showdata();
}
}