java switch 案例
时间: 2024-05-20 12:08:54 浏览: 6
Java中的switch语句可以用于选择多个分支中的一个进行执行。以下是一个Java switch语句的示例:
```
public class SwitchExample {
public static void main(String[] args) {
int day = 3;
String dayName;
switch (day) {
case 1:
dayName = "Monday";
break;
case 2:
dayName = "Tuesday";
break;
case 3:
dayName = "Wednesday";
break;
case 4:
dayName = "Thursday";
break;
case 5:
dayName = "Friday";
break;
case 6:
dayName = "Saturday";
break;
case 7:
dayName = "Sunday";
break;
default:
dayName = "Invalid day";
}
System.out.println(dayName);
}
}
```
在上面的示例中,根据day变量的值,switch语句将选择相应的分支。如果day等于3,则输出“Wednesday”。