2. Arrays

In This Chapter

• The Basics of Arrays in Java

• Dividing a Program into Classes

• Class Interfaces

• Java Code for an Ordered Array

• Logarithms

• Storing Objects

• Big O Notation

• Why Not Use Arrays for Everything?

The array is the most commonly used data storage structure; it’s built into most programming languages. Because arrays are so well known, they offer a convenient jumping-off place for introducing data structures and for seeing how object-oriented programming and data structures relate to one another. In this chapter we’ll introduce arrays in Java and demonstrate a home-made array class.

We’ll also examine a special kind of array, the ordered array, in which the data is stored in ascending (or descending) key order. This ...

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