O'Reilly logo

Visual C#® 2012: How to Program, Fifth Edition by Harvey Deitel, Paul Deitel

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

3.9. Decision Making: Equality and Relational Operators

A condition is an expression that can be either true or false. This section introduces a simple version of C#’s if statement that allows an app to make a decision based on the value of a condition. For example, the condition “grade is greater than or equal to 60” determines whether a student passed a test. If the condition in an if statement is true, the body of the if statement executes. If the condition is false, the body does not execute. We’ll see an example shortly.

Conditions in if statements can be formed by using the equality operators (== and !=) and relational operators (>, <, >= and <=) summarized in Fig. 3.21. The two equality operators (== and !=) each have the same level of ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required