Download PDF by Jeff Langr: Agile Java: Crafting Code with Test-Driven Development

By Jeff Langr

ISBN-10: 0131482394

ISBN-13: 9780131482395

Grasp Java 5.0, object-oriented layout, and Test-Driven improvement (TDD) via studying them jointly. Agile Java weaves all 3 right into a unmarried coherent method of development specialist, strong software program structures. Jeff Langr exhibits precisely how Java and TDD combine through the complete improvement lifecycle, assisting you leverage modern day quickest, best improvement thoughts from the very outset.Langr writes for each programmer, even people with very little adventure with Java, object-oriented improvement, or agile tools. He exhibits how you can translate oral necessities into functional checks, after which the right way to use these checks to create trustworthy, high-performance Java code that solves actual difficulties. Agile Java does not simply train the center positive factors of the Java language: it offers coded try out examples for every of them. This TDD-centered technique does not simply bring about higher code: it presents robust suggestions that can assist you study Java way more swiftly. using TDD as a studying mechanism is a landmark departure from traditional instructing recommendations.

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Additional info for Agile Java: Crafting Code with Test-Driven Development

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Checking Your Java Installation You can do a quick sanity check of your installation and configuration. 0-12345, mixed mode, sharing) 33 34 If you instead see something like: 'java' is not recognized as an internal or external command, operable program or batch file. Or: java: command not found then you have not set your path correctly. To view the path under Windows, enter the command: path Under Unix, enter: echo $PATH You should see the directory in which you installed Java appear on the path.

The testCreate method returns nothing to the code that invoked itJUnit has no need for such information. A method that returns no information provides what is known as a void return type. Later (see Returning a Value from a Method in this lesson) you will learn how to return information from a method. The empty pair of parentheses () indicates that testCreate takes no arguments (also known as parameters)it needs no information passed to it in order to do its work. The name of the method, testCreate, suggests that this is a method to be used for testing.

This can result in lower maintenance costs. • consistent pacing. Since each cycle in TDD is very short, feedback levels are high. You quickly discover if you are going down a rat hole. You learn to maintain a very consistent, sustainable rate of development. An additional benefit of TDD is that it helps demonstrate the examples in this book. 0 code. [7] Most developers who give it an honest try retain it as a valuable tool in their development toolbox. Many of the developers I've talked to about TDD, including some seasoned Java pioneers, say that they never want to go back to the "old way" of doing things.

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Agile Java: Crafting Code with Test-Driven Development by Jeff Langr

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