Java For Everyone: Compatible with Java 5, 6, and 7, 2nd Edition

CHAPTER 4

LOOPS

CHAPTER GOALS

To implement while, for, and do loops

To hand-trace the execution of a program

To become familiar with common loop algorithms

To understand nested loops

To implement programs that read and process data sets

To use a computer for simulations

CHAPTER CONTENTS

4.1 THE WHILE LOOP

Syntax 4.1: while Statement

Common Error 4.1: Don't Think "Are We There Yet?"

Common Error 4.2: Infinite Loops

Common Error 4.3: Off-by-One Errors

Random Fact 4.1: The First Bug

4.2 PROBLEM SOLVING: HAND-TRACING

4.3 THE FOR LOOP

Syntax 4.2: for Statement

Programming Tip 4.1: Use for Loops for Their Intended Purpose Only

Programming Tip 4.2: Choose Loop Bounds That Match Your Task

Programming Tip 4.3: Count Iterations

4.4 THE DO LOOP

Programming Tip 4.4: Flowcharts for Loops

4.5 APPLICATION: PROCESSING SENTINEL VALUES

Special Topic 4.1: The Loop-and-a-Half Problem and the break Statement

Special Topic 4.2: Redirection of Input and Output

Video Example 4.1: Evaluating a Cell Phone Plan

4.6 PROBLEM SOLVING: STORYBOARDS

4.7 COMMON LOOP ALGORITHMS

How To 4.1: Writing a Loop

Worked Example 4.1: Credit Card Processing

4.8 NESTED LOOPS

Worked Example 4.2: Manipulating the Pixels in an Image

4.9 APPLICATION: RANDOM NUMBERS AND SIMULATIONS

Special Topic 4.3: Drawing Graphical Shapes

Video ...