Java, A Beginner's Guide, 5th Edition, 5th Edition

Use break to Exit a Loop

It is possible to force an immediate exit from a loop, bypassing any remaining code in the body of the loop and the loop’s conditional test, by using the break statement. When a break statement is encountered inside a loop, the loop is terminated and program control resumes at the next statement following the loop. Here is a simple example:

As you can see, although the for loop is designed to run from 0 to num (which in this case is 100), the break statement causes it to terminate early, when i squared is greater than or equal to num.

The break statement can be used with any of Java’s loops, including intentionally infinite ...