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Hands-On Automation Testing with Java for Beginners

You're reading from   Hands-On Automation Testing with Java for Beginners Build automation testing frameworks from scratch with Java

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Product type Paperback
Published in Sep 2018
Publisher Packt
ISBN-13 9781789534603
Length 156 pages
Edition 1st Edition
Languages
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Author (1):
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Rahul Shetty Rahul Shetty
Author Profile Icon Rahul Shetty
Rahul Shetty
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Table of Contents (12) Chapters Close

Preface 1. First Programming Steps in Java 2. Understanding Classes, Objects, and Their Usage in Java FREE CHAPTER 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 11. Other Books You May Enjoy

Arrays and their usage in Java programs

We might have come across the term array in the past, so let's see what arrays are with an explanation and an example.

An array is a container that stores multiple values of the same data type.

In the following example, we will see what a container is, how to define that container, and how we can store values in them.

If we want to work with arrays, we declare them by allocating some space for them using the following code:

int a[] = new int[];

The new keyword basically allocates memory for a value in this array. The square brackets mean that we are adding multiple values into the brackets, [] indicates the term for the array. To define an array, we have to create space for the multiple values that we will be storing in it. In this example, we have five integer values that we are planning to store in the array...

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