switch表達式返回值類型:byte, short,int, char,String,enum
備註:String(JDK1.8之後才識別,包括1.8)
代碼:(舉例String類型值)
package org.westos.switchdemo;
import java.util.Scanner;
public class SwitchDemo {
public static void main(String[] args) {
Scanner scan=new Scanner(System.in);
System.out.print("請輸入季節:");
String season=scan.next();
switch(season){
case "春天":
System.out.println("春暖花開");
break;
case "夏天":
System.out.println("夏日炎炎");
break;
case "秋天":
System.out.println("秋風瑟瑟");
break;
case "冬天":
System.out.println("白雪皚皚");
break;
default:
System.out.println("您輸入的季節有誤!");
}
scan.close(); // 關閉
}
}
結果:
請輸入季節:春天
春暖花開