Program to Implement abstract class
import java.io.*;
import java.util.*;
abstract class Employee
{
private String name;
private int ssn;
Employee(String s,int a)
{
setname(s);
setssn(a);
getname();
getssn();
}
void setname(String s1)
{
name=s1;
}
void setssn(int a1)
{
ssn=a1;
}
void getname()
{
System.out.println("NAME:"+name);
}
void getssn()
{
System.out.println("SSN:"+ssn);
}
abstract void earnings();
}
class Commissionemp extends Employee
{
int sal,comis,qty;
Commissionemp(String x,int y,int a,int b,int c)
{
super(x,y);
setsal(a);setcomis(b);setqty(c);getsal();getcomis();getqty();
}
void setsal(int x)
{
sal=x;
}
void setcomis(int y)
{
comis=y;
}
void setqty(int z)
{
qty=z;
}
void getsal()
{
System.out.println("SALARY="+sal);
}
void getcomis()
{
System.out.println("COMMISSION="+comis);
}
void getqty()
{
System.out.println("QUANTITY="+qty);
}
void earnings()
{System.out.println("Earnings of the commission Employee:"+((sal+comis)*qty));}
}
class Piecework extends Employee
{
int wages,qty;
Piecework(String x,int y,int a,int b)
{
super(x,y);
setwages(a);
setqty(b);
getwages();
getqty();
}
void setwages(int a1)
{
wages=a1;
}
void setqty(int b1)
{
qty=b1;
}
void getwages()
{ System.out.println("WAGES="+wages); }
void getqty()
{ System.out.println("QUANTITY="+qty); }
void earnings()
{System.out.println("Earnings of the piecework Employee:"+(wages*qty));}
}
class Hourlyworks extends Employee
{
int wages,hrs;
Hourlyworks(String x,int y,int m,int n)
{
super(x,y);
setwages(m);
sethrs(n);
getwages();
gethrs();
}
void setwages(int m1)
{
wages=m1;
}
void sethrs(int n1)
{
hrs=n1;
}
void getwages()
{ System.out.println("WAGES="+wages); }
void gethrs()
{ System.out.println("HOURS="+hrs); }
void earnings()
{System.out.println("Earnings of the hourly work Employee:"+(wages*hrs));}
}
class Mainemp
{
public static void main(String args[])
{
Commissionemp c=new Commissionemp("emp1",1,1500,10,100);
c.earnings();
Piecework p=new Piecework("emp2",2,200,100);
p.earnings();
Hourlyworks h=new Hourlyworks("emp3",3,50,24);
h.earnings();
}
}
Output
NAME:emp1
SSN:1
SALARY=1500
COMMISSION=10
QUANTITY=100
Earnings of the commission Employee:151000
NAME:emp2
SSN:2
WAGES=200
QUANTITY=100
Earnings of the piecework Employee:20000
NAME:emp3
SSN:3
WAGES=50
HOURS=24
Earnings of the hourly work Employee:1200
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