Java How To Program, Late Objects, 11th Edition

14 Strings, Characters and Regular Expressions

Objectives

In this chapter you’ll:

• Create and manipulate immutable character-string objects of class String.

• Create and manipulate mutable character-string objects of class StringBuilder.

• Create and manipulate objects of class Character.

• Break a String object into tokens using String method split.

• Use regular expressions to validate String data entered into an application.

Outline

1. 14.1 Introduction

2. 14.2 Fundamentals of Characters and Strings

3. 14.3 Class String

   1. 14.3.1 String Constructors

   2. 14.3.2 String Methods length, charAt and getChars

   3. 14.3.3 Comparing Strings

   4. 14.3.4 Locating Characters and Substrings in Strings

   5. 14.3.5 Extracting Substrings from Strings

   6. 14.3.6 Concatenating Strings

   7. 14.3.7 ...