If the expression does not match any value, the default_statement will be executed. It behaves like the else block in the if-else statement. The following ... ... <看更多>

case statement evaluates the expression . Then, it searches for the first case clause whose expression evaluates to the same value as the value ( value1 , ... ... <看更多>

You can use multiple if…else…if statements to perform a multiway branch. However, this is not always the best ... ... <看更多>