Android How to Program

E. Arrays and ArrayLists

Objectives

In this appendix you’ll learn:

• What arrays are.

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

• To declare arrays, initialize arrays and refer to individual elements of arrays.

• To iterate through arrays with the enhanced for statement.

• To pass arrays to methods.

• To declare and manipulate multidimensional arrays.

• To perform common array manipulations with the methods of class Arrays.

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

Outline

E.1 Introduction

E.2 Arrays

E.3 Declaring and Creating Arrays

E.4 Examples Using Arrays

E.5 Case Study: Card Shuffling and Dealing Simulation

E.6 Enhanced for Statement

E.7 Passing Arrays ...