Chapter 3

Running Programs

In This Chapter

arrow Compiling and running a program

arrow Working with a workspace

arrow Editing your own Java code

If you’re a programming newbie, for you, running a program probably means clicking a mouse. You want to run Internet Explorer, so you double-click the Internet Explorer icon. That’s all there is to it.

When you create your own programs, the situation is a bit different. With a new program, the programmer (or someone from the programmer’s company) creates the program’s icon. Before that process, a perfectly good program may not have an icon at all. So what do you do with a brand-new Java program? How do you get the program to run? This chapter tells you what you need to know.

Running a Canned Java Program

The best way to get to know Java is to do Java. When you’re doing Java, you’re writing, testing, and running your own Java programs. This section prepares you by describing how you run and test a program. Instead of writing your own program, you run a program that I’ve already written for you. The program calculates your monthly payments on a home mortgage loan.

The mortgage-calculating program doesn’t open its own window. Instead, the program runs in Eclipse’s ...

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