Download Better, Faster, Lighter Java by Justin Gehtland, Bruce A. Tate PDF

By Justin Gehtland, Bruce A. Tate

Occasionally the easiest solution is the simplest. Many firm Java builders, conversant in facing Java's spiraling complexity, have fallen into the behavior of selecting overly advanced ideas to difficulties while easier concepts can be found. construction server purposes with "heavyweight" Java-based architectures, resembling WebLogic, JBoss, and WebSphere, should be high priced and bulky. whilst you've reached the purpose the place you spend extra time writing code to help your selected framework than to resolve your genuine difficulties, it's time to imagine by way of simplicity.

In higher, speedier, Lighter Java, authors Bruce Tate and Justin Gehtland argue that the outdated heavyweight architectures are unwieldy, complex, and give a contribution to sluggish and buggy software code. as a substitute skill for construction larger functions, the authors current "lightweight" open resource architectures: Hibernate—a endurance framework that does its activity with a minimum API and will get out of ways, and Spring—a box that's no longer invasive, heavy or complex.

Hibernate and Spring are designed to be relatively uncomplicated to profit and use, and position average calls for on method assets. greater, speedier, Lighter Java indicates you the way they could assist you create company functions which are more straightforward to keep up, write, and debug, and are eventually a lot faster.

Written for intermediate to complicated Java builders, greater, speedier, Lighter Java, bargains clean ideas—often unorthodox—to assist you reconsider how you paintings, and methods and ideas you'll use to construct easier purposes. You'll learn how to spend extra time on what's vital. whilst you're accomplished with this ebook, you'll locate that your Java is best, speedier, and lighter than ever ahead of.

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Catch (RuntimeException e) { assertTrue(true); } } // pass the test Those are the JUnit basics. You can see that the framework packs quite a punch in a very simple package. In the next couple of sections, I’ll show how JUnit can change the way that you code in ways that you may not expect. For a complete and excellent Your Safety Net This is the Title of the Book, eMatter Edition Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved. com). Automating Test Cases with Ant I cut my programming teeth in an era when a build guru was a full-time job.

Controlling Scope Creep Once you’ve got requirements together, you’ll want to keep a manageable scope. I often spend a good deal of my time improving communication and understanding at client sites. By far, the biggest problems I encounter come from controlling the scope 38 | Chapter 3: Do One Thing, and Do It Well This is the Title of the Book, eMatter Edition Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved. and expectations of the project. Often, the power comes from a pocketbook, so it’s tempting for those in charge to try to add whatever features they want, whenever they want them.

Then, when he does add the extra, unexpected notes, they have much more power and soul. Coding simply accrues benefits throughout the development process. Take a look at the typical object-oriented development iteration in Figure 2-1. Here, I’m trying to show the typical steps of an object-oriented cycle. Notice that you can see the tangible impact of simplicity in every phase of each iteration. I should also point out that you can have a dramatic impact outside of the typical development iterations, and into the production part of an application’s lifecycle, because your code will be easier to fix and maintain.

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