3.5 Loops - While and For

• While syntax:

• Expression is evaluated. If expression is true, statement is executed and expression is re-evaluated. Cycle continue until expression is zero
• for syntax:

• Commonly, expr1 and expr3 are assignments or function calls and expr2 is a relational expression
• for is preferable when there is a simple initialization and increment
• Comma " , " operator is used to place multiple expressions in a for statement: