本文介绍了一个使用Java编程语言通过switch语句实现的月份与季节判断程序，展示了如何通过简单的条件判断来实现复杂逻辑。
class SwitchDemo
{
<wbr>public static void main(String[] args)<br><wbr>{<br><wbr><wbr>int month = 5;<br><wbr><wbr>//if (month > 12
&& month < 1)<br><wbr><wbr><wbr>//System.out.println("Error
Month!");<br><wbr><wbr>//else if (month
>= 3 || month <= 5)<br><wbr><wbr><wbr>//System.out.println("spring!");<br><wbr><wbr>//else if (month
>= 6 || month <= 8)<br><wbr><wbr><wbr>//System.out.println("summer!");<br><wbr><wbr>//else if (month
>= 9 || month <= 11)<br><wbr><wbr><wbr>//System.out.println("autumn!");<br><wbr><wbr>//else<br><wbr><wbr><wbr>//System.out.println("winter!");<br><wbr><wbr>switch
(month)<wbr>//只能接受四种数据类型：byte,short,int,char<br><wbr><wbr>{<br><wbr><wbr><wbr>default:<br><wbr><wbr><wbr><wbr>System.out.println("无效的月份！");<br><wbr><wbr><wbr><wbr>break;<br><wbr><wbr><wbr>case
1:<wbr><wbr>//没有break语句，继续向下执行，不进行判断<br><wbr><wbr><wbr>case 2:<br><wbr><wbr><wbr>case
12:<br><wbr><wbr><wbr><wbr>System.out.println(month
+ "月：冬天！");<br><wbr><wbr><wbr><wbr>break;<br><wbr><wbr><wbr>case 3:<br><wbr><wbr><wbr>case 4:<br><wbr><wbr><wbr>case 5:<br><wbr><wbr><wbr><wbr>System.out.println(month
+ "月：春天！");<br><wbr><wbr><wbr><wbr>break;<br><wbr><wbr><wbr>case 6:<br><wbr><wbr><wbr>case 7:<br><wbr><wbr><wbr>case 8:<br><wbr><wbr><wbr><wbr>System.out.println(month
+ "月：夏天！");<br><wbr><wbr><wbr><wbr>break;<br><wbr><wbr><wbr>case 9:<br><wbr><wbr><wbr>case
10:<br><wbr><wbr><wbr>case
11:<br><wbr><wbr><wbr><wbr>System.out.println(month
+ "月：秋天！");<br><wbr><wbr><wbr>//<wbr>break;<wbr><wbr><wbr><wbr>
//switch最后一个break可以省略.<br><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><wbr>}<br><wbr>}<br> }<br></wbr></wbr></wbr>
扫一扫
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
