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The general form of the for statement can be expressed as follows: When using this version of the for statement, keep in mind that: 1  The initialization expression initializes the loop; it's executed once, as the loop begins. 2  When the termination expression evaluates to false, the loop terminates.
Useful software alters its behavior under varying environmental conditions, such as user input. In Java, the fundamental statement for varying program behavior is the conditional statement. The simplest conditional statement uses if to optionally execute code. The simple if statement has the following general form: if ( condition ) body where The reserved word if identies an if statement. condition is a Boolean expression that determines whether or not the body will be executed. The condition must be enclosed within parentheses. body is either a single Java statement or a block of statements (called a compound statement ) enclosed within