Classes exercises completed

Author: ChronicleGremlin

classes/exercises/ClassExercises.js

@@ -1,10 +1,50 @@
-// Define your Book class here:
+class Book {
+    constructor(title, author, copyright, isbn, pages, timesCheckedOut, discarded) {
+        this.title = title;
+        this.author = author;
+        this.copyright = copyright;
+        this.isbn = isbn;
+        this.pages = pages;
+        this.timesCheckedOut = timesCheckedOut;
+        this.discarded = discarded;
+    }
 
+    checkout(uses = 1) {
+        this.timesCheckedOut += uses;
+    }
+}
 
-// Define your Manual and Novel classes here:
+class Manual extends Book {
+    constructor(title, author, copyright, isbn, pages, timesCheckedOut, discarded) {
+        super(title, author, copyright, isbn, pages, timesCheckedOut, discarded);
+    }
 
+    dispose(currentYear) {
+        if (currentYear - this.copyright > 5) {
+            this.discarded = 'Yes';
+        }
+    }
+}
 
-// Declare the objects for exercises 2 and 3 here:
+let funReading = new Manual('Pride and Prejudice', 'Jane Austen', 1813, '1111111111111', 432, 32, 'No');
 
+class Novel extends Book {
+    constructor(title, author, copyright, isbn, pages, timesCheckedOut, discarded) {
+        super(title, author, copyright, isbn, pages, timesCheckedOut, discarded);
+    }
 
-// Code exercises 4 & 5 here:
+    dispose() {
+        if (this.timesCheckedOut > 100) {
+            this.discarded = 'Yes';
+        }
+    }
+}
+
+
+let makingTheShip = new Manual('Top Secret Shuttle Building Manual', 'Redacted', 2013, '0000000000000', 1147, 1, 'No');
+
+// Code exercises 4 & 5 here:
+funReading.dispose(2024);
+makingTheShip.checkout(5);
+console.log(funReading);
+console.log(makingTheShip);