OOP example

Car.java

public class Car {
	public void drive(){
		System.out.println("Vroom vroom");
	}
	public void honk(){
		System.out.println("Honk Honk");
	}
	public void radio(){
		System.out.println("Song Song");
	}
}

myCar.java

public class myCar {
	public static void main(String args[]){
	Porsche myPorsche = new Porsche();
	
	myPorsche.honk();
	}
}

Porsche.java

import java.util.*;

public class Porsche extends Car{

}