Java Syntax for Decision Statements

if-else

if ( boolean expression )
	if block
else
	else block

• A block is either a single statement: statement or a compound statement: { as many statements as you want }
• The else (with the else block) is optional

switch

switch ( arithmetic expression ) {
	case label 1 : case body 1
	case label 2 : case body 2
	...
	case label n : case body n
}

• The data type of arithmetic expression must be char, byte, short, or int.
• case label i has the form
  case constant
  or
  default
• Execution starts in the matching case and continues either until the end of the switch or until a break statement is encountered.