Contoh Coding Polimorfisme

Buat package "personal"


employee.java

package personal;

public class employee extends Person{
private String position;
public employee(String name, String position){
this.name = name;
this.position = position;
}
public void getName(String name){ //method harus sama antara superclass dan ssubclass
System.out.println("Nama Pegawai    : "+name);
System.out.println("Posisi : "+position);
}
}

Person.java

package personal;

public class Person {

protected String name;

protected void getName(){

System.out.println("Perusahaan Indonesia Satu");

}

}

polimorfismetest.java

package personal;

public class polimorfismetest {

public static void main(String[] args) {

Person ref;

Student S1 = new Student("Plastik");

String name = "Bungkus";

Student S2 = new Student(name);

employee E1 = new employee("Kertas","Maling");

E1.getName();

ref=S1;

ref.getName();

ref=S2;

ref.getName();

ref=E1;

E1.getName();

E1.getName("D");

}

}

Student.java

package personal;

public class Student extends Person {

public Student(String name) {

this.name = name;

}

public void getName(){

System.out.println("Nama Siswa : "+ name);

}

}