By Antonio Goncalves
Java firm variation (Java EE) remains to be one of many best Java applied sciences and systems from Oracle (previously Sun). starting Java EE 6 Platform with GlassFish three, moment variation is that this first instructional booklet at the ultimate model of the Java EE 6 Platform. step-by-step and straightforward to stick to, this booklet describes a number of the Java EE 6 necessities and reference implementations, and exhibits them in motion utilizing sensible examples. This booklet makes use of the recent model of GlassFish three to install and administer the code examples. Written via a professional member of the Java EE 6 specification request and overview board within the Java group approach (JCP), this ebook includes the easiest info attainable, from an expert's standpoint on company Java applied sciences.
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Extra info for Beginning Java EE 6 with GlassFish 3, 2nd Edition
Info CHAPTER 1 ■ JAVA EE 6 AT A GLANCE Once the installation is complete, it is necessary to set the JAVA_HOME variable and the %JAVA_HOME%\bin directory to the PATH variable. Check that Java is recognized by your system by entering java –version (see Figure 1-8). Figure 1-8. org) to build the examples of this book. The purpose of this book is not to explain Maven. You will find plenty of resources for Maven on the Internet or in bookstores. But I will introduce some elements so that you can easily understand and use the examples.
Maven offers projects a building solution, shared libraries, and a plug-in platform, allowing you to do quality control, documentation, teamwork, and so forth. Based on the “convention over configuration” principle, Maven brings a standard project description and a number of conventions such as a standard directory structure (as shown in Figure 1-9). a. mojos), Maven can offer many different services. info CHAPTER 1 ■ JAVA EE 6 AT A GLANCE Figure 1-9. Standard Maven directory structure Project Descriptor Maven is based on the fact that a majority of Java and Java EE projects face similar needs when building applications.
Assert Methods Test cases must assert that objects conform to an expected result. For that, JUnit has an Assert class that contains several methods. assertEquals()) or import statically the Assert class (shown in Listing 1-9). As you can see in the notNegative() method, you can also use the Java assert keyword. Fixtures Fixtures are methods to initialize and release any common object during tests. JUnit uses @Before and @After annotations to execute code before or after each test. These methods can be given any name (clearCustomerHelper() in this example), and you can have multiple methods in one test class.