An enumerated type specifies a set of related constants as its values. Examples include the days in a week, the standard north/south/east/west compass directions, a currency’s coin denominations ...

1 . 在jdk 7 之前，switch 只能支持 byte、short、char、int 这几个基本数据类型和其对应的封装类型。switch后面的括号里面只能放int ...

Java Program to check the size // using the switch...case statement class Main { public static void main(String[] args) { int number = 44; String size; // switch ...