Java 6 Illuminated: An Active Learning Approach, 2nd Edition

5.1 Forming Conditions 209

TABLE 5.1 Equality Operators

Equality Operator Type Meaning

== binary is equal to

!= binary is not equal to

Java provides equality, relational, and logical operators to evaluate and test

whether an expression is true or false. It also provides selection statements

to transfer control to a different part of the program depending on the

result of that test.

5.1.1 Equality Operators

A common operation is to compare two variables or values of the same

data type to determine if their values are equal. For example, we need to

compare the user’s input to a ‘y’ to determine whether he or she wants to

play again. Or if we want to print ...