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Hands-On Automation Testing with Java for Beginners

You're reading from  Hands-On Automation Testing with Java for Beginners

Product type Book
Published in Sep 2018
Publisher Packt
ISBN-13 9781789534603
Pages 156 pages
Edition 1st Edition
Languages

Table of Contents (17) Chapters

Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
1. First Programming Steps in Java 2. Understanding Classes, Objects, and Their Usage in Java 3. Handling Strings and Their Functions in Java 4. Building Blocks for Java Programs – Loops and Conditions 5. Everything You Need to Know About Interfaces and Inheritance 6. Learn Everything about Arrays 7. Understanding Date Class and Constructors in Java 11 8. Importance of the super and this Keywords and Exceptions in Java 9. Understanding the Collections Framework 10. The Importance of the final Keyword, Packages, and Modifiers 1. Other Books You May Enjoy Index

The super keyword


In general, when people inherit properties from a different class, there might be a redundancy if the same variable names are used in both the parent and child class. To differentiate between parent variables and child variables, we use the super keyword.

Let's explain this using an example. Let's create two classes and name them childDemo and parentDemo. In the parentDemo class, we define a string called name and assign the 'rahul' string to it.

Now, in the childDemo class, we inherit the properties of parentDemo. We know how to inherit the properties of a parent class using the extends keyword, which we learned inChapter 5, Everything You Need to Know About Interfaces and Inheritance. The code to inherit the properties is given here:

public class childDemo extend parentDemo{

In this code, childDemo is taking the properties of parentDemo.

Add a string in the childDemo class, call it name, and assign the QAClickAcademy string to it. We then define a method called public void...

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