Java All-in-One For Dummies, 5th Edition

Chapter 1

Java Programming Basics

IN THIS CHAPTER

Introducing the famous Hello, World! program

Identifying basic elements of Java programs such as keywords, statements, and blocks

Finding different ways to add comments to your programs

Getting basic information about object-oriented programming

Identifying ways to import classes

In this chapter, you find the basics of writing simple Java programs. The programs you see in this chapter are very simple: they just display simple information on a console (in Windows, that’s a command-prompt window). You need to cover a few more chapters before you start writing programs that do anything worthwhile. But the simple programs you see in this chapter are sufficient to illustrate the basic structure of Java programs.

Be warned that in this chapter, I introduce you to several Java programming features that are explained in greater detail in later chapters. You see, for example, some variable declarations, a method, and even an if statement and ...