Switch的基础结构

Switch的基础结构

public class SwitchDeom01 {
    public static void main(String[] args) {
        char s = 'C';
        switch (s){
            case 'A':
                System.out.println("优秀");
                break;
            case 'B':
                System.out.println("良好");
                break;
            case 'C':
                System.out.println("一般");
                break;
            case 'D':
                System.out.println("及格");
                break;
            default:
                System.out.println("输入的等级错误，请重新输入");

        }
    }
}

//JDK7 之后的版本才支持字符串匹配
public class SwitchDemo02 {
    public static void main(String[] args) {
        String name = "狗";
        switch (name){
            case "猫":
                System.out.println("猫");
                break;
            case "狗":
                System.out.println("狗");
                break;
            case "鱼":
                System.out.println("鱼");
                break;
            case "鸟":
                System.out.println("鸟");
                break;
            case "虎":
                System.out.println("虎");
                break;
            default:
                System.out.println("匹配失败");
        }
    }
}