Search icon
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
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
First Programming Steps in Java Understanding Classes, Objects, and Their Usage in Java Handling Strings and Their Functions in Java Building Blocks for Java Programs – Loops and Conditions Everything You Need to Know About Interfaces and Inheritance Learn Everything about Arrays Understanding Date Class and Constructors in Java 11 Importance of the super and this Keywords and Exceptions in Java Understanding the Collections Framework The Importance of the final Keyword, Packages, and Modifiers Other Books You May Enjoy Index

Parameterized constructors


The constructor we learned about in the previous section is the default constructor because it does not accept any values. In a parametric constructor with the same syntax, we actually come up with some parameters, as shown in the following screenshot:

Output for the parameterized constructor using the given code 

The only difference between the previous constructor and this one is that here we are passing the parameters, and in the default one pass it without any parameters. When we run our code, whenever we create an object, if we don't pass any parameters, the compiler automatically picks the default constructor, as shown in the following screenshot:

Output when the default parameter is passed

Now, let's create one more object for the same class with parameters:

constructDemo c=new constructDemo(4,5);

When we define parameters as mentioned in the preceding syntax, the compiler checks whether there is any constructor with the two arguments of the integer type while...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $15.99/month. Cancel anytime}