Book Image

Learn Java with Projects

By : Dr. Seán Kennedy, Maaike van Putten
5 (3)
Book Image

Learn Java with Projects

5 (3)
By: Dr. Seán Kennedy, Maaike van Putten

Overview of this book

Learn Java with Projects stands out in the world of Java guides; while some books skim the surface and others get lost in too much detail, this one finds a nice middle ground. You’ll begin by exploring the fundamentals of Java, from its primitive data types through to loops and arrays. Next, you’ll move on to object-oriented programming (OOP), where you’ll get to grips with key topics such as classes, objects, encapsulation, inheritance, polymorphism, interfaces, and more. The chapters are designed in a way that focuses on topics that really matter in real-life work situations. No extra fluff here, so that you get more time to spend on the basics and form a solid foundation. As you make progress, you’ll learn advanced topics including generics, collections, lambda expressions, streams and concurrency. This book doesn't just talk about theory—it shows you how things work with little projects, which eventually add up to one big project that brings it all together. By the end of this Java book, you’ll have sound practical knowledge of Java and a helpful guide to walk you through the important parts of Java.
Table of Contents (22 chapters)
1
Part 1: Java Fundamentals
9
Part 2: Object-Oriented Programming
15
Part 3: Advanced Topics

Exercises

Maintaining a dinosaur park takes a lot more than just raw passion. It involves regular health check-ups for our dinosaurs, ensuring our guests are comfortable, and that the park is well-staffed. All these tasks involve methodical processes. Luckily, we now know about methods!

You can add these methods to the same class:

  1. The stage of life a dinosaur is in can significantly impact its behavior and needs. Write a method that takes a dinosaur’s age and returns whether it’s a hatchling, juvenile, or adult.
  2. It’s important to remember that our dinosaurs aren’t actually pets – they’re large, often hefty creatures with large appetites. Write a method that accepts a dinosaur’s weight and calculates how much food it needs daily.
  3. Being on top of our dinosaurs’ average age helps us plan for the future. Design a method that accepts an array of dinosaur ages and calculates the average age.
  4. The park isn’...