笔记：Switch选择结构

switch选择结构

package com.Linz.struct;

import java.util.Scanner;

public class switchDemo {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String grade = scanner.nextLine();
	//break; 如果不加 则继续向下运行
	//case穿透   
        switch (grade){
            case "A":
                System.out.println("super nb");break;
            case "B":
                System.out.println("挺nb");break;
            case "C":
                System.out.println("一般nb");break;
            case "D":
                System.out.println("凑合nb");break;
            default:
                System.out.println("无了");
        }

    }
}