Book Image

Java 11 Cookbook - Second Edition

By : Nick Samoylov, Mohamed Sanaulla
Book Image

Java 11 Cookbook - Second Edition

By: Nick Samoylov, Mohamed Sanaulla

Overview of this book

For more than three decades, Java has been on the forefront of developing robust software that has helped versatile businesses meet their requirements. Being one of the most widely used programming languages in history, it’s imperative for Java developers to discover effective ways of using it in order to take full advantage of the power of the latest Java features. Java 11 Cookbook offers a range of software development solutions with simple and straightforward Java 11 code examples to help you build a modern software system. Starting with the installation of Java, each recipe addresses various problem by explaining the solution and offering insights into how it works. You’ll explore the new features added to Java 11 that will make your application modular, secure, and fast. The book contains recipes on functional programming, GUI programming, concurrent programming, and database programming in Java. You’ll also be taken through the new features introduced in JDK 18.3 and 18.9. By the end of this book, you’ll be equipped with the skills required to write robust, scalable, and optimal Java code effectively.
Table of Contents (18 chapters)

Using fixtures to populate data for testing

In more complex applications (that use a database, for example), there is often the need to set up the data before each test and clean it up after the test is completed. Some parts of the data need to be set before each test method and/or cleaned after each test method has completed. Other data may need to be set up before any test method of the test class was run and/or cleaned up after the last test method of the test class has completed.

How to do it...

To accomplish this, you add an @Before annotation in front of it, which indicates that this method has to run before every test method. The corresponding cleaning method is identified by the @After annotation. Similarly, the class...