Merge pull request #7372 from danhingar/ejercicio28

#28 - Java

Author: Roswell468

Roadmap/28 - SOLID LSP/java/danhingar.java

@@ -0,0 +1,138 @@
+public class danhingar {
+
+    public static void main(String[] args) throws Exception {
+        /*
+         * Bird bird = new Bird();
+         * bird.fly();
+         * Chicken chicken = new Chicken();
+         * chicken.fly();
+         */
+
+        Bird1 bird1 = new Bird1();
+        bird1.move();
+        bird1 = new Chicken1();
+        bird1.move();
+
+        Bird1 chicken1 = new Chicken1();
+        chicken1.move();
+        chicken1 = new Bird1();
+        chicken1.move();
+
+        // Extra
+        Motorbike motorbike = new Motorbike();
+        Car car = new Car();
+        Bike bicycle = new Bike();
+
+        Vehicle.test(motorbike);
+        Vehicle.test(car);
+        Vehicle.test(bicycle);
+
+        
+    }
+
+}
+
+// Incorrecto
+class Bird {
+    public void fly() throws Exception {
+        System.out.println("Flying");
+    }
+}
+
+class Chicken extends Bird {
+    @Override
+    public void fly() throws Exception {
+        throw new Exception("Los pollos no vuelan");
+    }
+}
+
+class Bird1 {
+
+    public void move() {
+        System.out.println("Moving");
+    }
+
+}
+
+class Chicken1 extends Bird1 {
+
+    public void move() {
+        System.out.println("Walking");
+    }
+}
+
+// EXTRA
+
+class Vehicle {
+    private Integer speed = 0;
+
+    public Vehicle() {
+    }
+
+    public void accelerate(Integer increment) {
+        speed = speed + increment;
+        System.out.printf("Velocidad: %d Km/h\n", speed);
+    }
+
+    public void brake(Integer decrement) {
+        speed = speed - decrement;
+        if (speed < 0)
+            speed = 0;
+        System.out.printf("Velocidad: %d Km/h\n", speed);
+    }
+
+    public static void test(Vehicle vehicle){
+        vehicle.accelerate(5);
+        vehicle.brake(1);
+    }
+
+}
+
+class Motorbike extends Vehicle {
+
+
+    @Override
+    public void accelerate(Integer increment) {
+        System.out.println("La moto está acelerando");
+        super.accelerate(increment);
+    }
+
+    @Override
+    public void brake(Integer decrement) {
+        System.out.println("La moto está frenando");
+        super.brake(decrement);
+    }
+
+}
+
+class Bike extends Vehicle {
+
+    @Override
+    public void accelerate(Integer increment) {
+        System.out.println("La bicicleta está acelerando");
+        super.accelerate(increment);
+    }
+
+    @Override
+    public void brake(Integer decrement) {
+        System.out.println("La bicicleta está frenando");
+        super.brake(decrement);
+    }
+
+}
+
+class Car extends Vehicle {
+
+    @Override
+    public void accelerate(Integer increment) {
+        System.out.println("El coche está acelerando");
+        super.accelerate(increment);
+    }
+
+    @Override
+    public void brake(Integer decrement) {
+        System.out.println("El coche está frenando");
+        super.brake(decrement);
+    }
+
+}