Object-Oriented Programming in C++, Fourth Edition

Chapter 3. Loops and Decisions

In This Chapter

• Relational Operators 76

• Loops 78

• Decisions 93

• Logical Operators 114

• Precedence Summary 118

• Other Control Statements 118

Not many programs execute all their statements in strict order from beginning to end. Most programs (like many humans) decide what to do in response to changing circumstances. The flow of control jumps from one part of the program to another, depending on calculations performed in the program. Program statements that cause such jumps are called control statements. There are two major categories: loops and decisions.

How many times a loop is executed, or whether a decision results in the execution of a section of code, depends on whether certain expressions are true ...