34_Inheritance

//inheritance= the process where one class acquires,
//             the attributes and methods of another.

<Main.java>
public class Main {
   public static void main(String[] args) {
      //inheritance= the process where one class acquires,
      // the attributes and methods of another.
      Carr car = new Carr();
      //car.go(); //>>This vehicle is moving
      Bicycle bike = new Bicycle();
      //bike.stop(); //>>This vehicle is stopped
      System.out.println(car.speed); //>>0.0
      System.out.println(bike.speed);//>>0.0
      System.out.println(car.doors);//>>4
      System.out.println(bike.pedals);//>>2
   }
}

<Vehicle.java> : Parent class
public class Vehicle {
    double speed;
    void go(){
        System.out.println("This vehicle is moving");
    }
    void stop(){
        System.out.println("This vehicle is stopped");
    }
}

<Carr.java> : Child class
public class Carr extends Vehicle{
    int wheels =4;
    int doors = 4;
}

<Bicycle.java> : Child class
public class Bicycle extends Vehicle{
    int wheels = 2;
    int pedals = 2;
}