added the Car oOP Challenge .js

Author: jonjones320

carOOP-challenge.js

@@ -0,0 +1,47 @@
+class Vehicle {
+    constructor (a,b,c) {
+        this.make = a;
+        this.model = b;
+        this.year = c;
+    }
+    honk() {
+        console.log('beep');
+    }
+    toString() {
+        console.log(`This bad boy is a ${this.year} ${this.make} ${this.model}`);        
+    }
+}
+
+class Car extends Vehicle {
+    constructor(a,b,c) {
+        super(a,b,c)
+        this.numWheels = 4;
+    }
+}
+
+class Motorcycle extends Vehicle {
+    constructor(a,b,c) {
+        super(a,b,c);
+        this.numWheels = 2;
+    }
+    revEngine() {
+        console.log("VROOM!!!")
+    }
+}
+
+class Garage {
+    constructor(a) {
+        this.vehicles = [];
+        this.capacity = a;
+    }
+    add(a) {
+        if (!(a instanceof Vehicle)) {
+            throw new Error ('Only vehicles are allowed in here!');
+        }
+        if (this.vehicles.length >= this.capacity) {
+            throw new Error ('Sorry, the garage is full.');
+        }
+        this.vehicles.push(a);
+        console.log('Vehicle added to the garage!');
+    }
+}