By Barry Burd
One of the preferred starting programming books, now totally up-to-date
Java is a well-liked language for starting programmers, and past versions of this enjoyable and pleasant consultant have helped millions start. Now absolutely revised to hide fresh updates for Java 7.0, Beginning Programming with Java For Dummies, third Edition is bound to place extra first-time programmers and Java newbies at the highway to Java mastery.* Explores what is going into making a application, placing the items jointly, facing average programming demanding situations, debugging, and making this system paintings * bargains new recommendations for instruments and strategies utilized in Java development
* offers important info and examples for the would-be programmer with out Java experience
* All examples are up to date to mirror the newest alterations in Java 7.0
Beginning Programming with Java For Dummies, third Edition bargains an easy-to-understand creation to programming during the renowned, flexible Java 7.0 language.
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Additional info for Beginning Programming with Java For Dummies
11 12 Part I: Revving Up From Your Mind to the Computer’s Processor When you create a new computer program, you go through a multistep process. The process involves three important tools: ✓ Compiler: A compiler translates your code into computer-friendly (human-unfriendly) instructions. ✓ Virtual machine: A virtual machine steps through the computer-friendly instructions. ✓ Application programming interface: An application programming interface contains useful prewritten code. The next three sections describe each of the three tools.
Oracle. com/technetwork/java/javase/downloads. Look for the newest available version of the JRE or the JDK. Select a version that runs on your computer’s operating system. com website. Figure 2-1: Getting the Java JRE. ” After you accept a license agreement and click a link to a Java installation file, your computer does one of two things: ✓ Downloads and installs Java on your system. ✓ Downloads the Java installation file and saves the file on your computer’s hard drive. com/technetwork/ java/javase/downloads) has many options.
Then I write another search-and-replace program. Then, a different kind of spell checker. ” 17 18 Part I: Revving Up How did Chris manage to stay interested in his work? And how did Chris’s employer manage to stay in business? Every few months, Chris had to reinvent the wheel. Toss out the old search-and-replace program and write a new program from scratch. That’s inefficient. What’s worse, it’s boring. For years, computer professionals were seeking the Holy Grail — a way to write software so that it’s easy to reuse.