Chapter 2
Using Arrays
IN THIS CHAPTER
Working with basic one-dimensional arrays
Using array initializers to set the initial values of an array
Using for loops with arrays
Working with two-dimensional arrays
Working with the Arrays class
I could use a raise….
Oh, arrays. Sorry.
Arrays are an important aspect of any programming language, and Java is no exception. In this chapter, you discover just about everything you need to know about using arrays. I cover run-of-the-mill one-dimensional arrays; multidimensional arrays; and two classes that are used to work with arrays, named Array
and Arrays
.
Understanding Arrays
An array is a set of variables that is referenced by using a single variable name combined with an index number. Each item of an array is called an element. All the elements in an array must be of the same type. Thus the array itself has a type that specifies what kind of elements it can contain. An int
array can contain int
values, for example, and a String
array can ...
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