Java How To Program, Late Objects, 11th Edition

6 Arrays and ArrayLists

Objectives

In this chapter you’ll:

• Learn what arrays are.

• Use arrays to store data in and retrieve data from lists and tables of values.

• Declare arrays, initialize arrays and refer to individual elements of arrays.

• Iterate through arrays with the enhanced for statement.

• Pass arrays to methods.

• Declare and manipulate multidimensional arrays.

• Use variable-length argument lists.

• Read command-line arguments into a program.

• Perform common array manipulations with the methods of class Arrays.

• Use class ArrayList to manipulate a dynamically resizable array-like data structure.

Outline

1. 6.1 Introduction

2. 6.2 Primitive Types vs. Reference Types

3. 6.3 Arrays

4. 6.4 Declaring and Creating Arrays

5. 6.5 Examples Using Arrays

   1. 6.5.1 ...