switch demo下载

[weixin_39821526]

package day03;
import java.util.Scanner;

public class Command {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.println("请选择功能: 1.显示全部记录 2.查询登录记录 0.退出");
int command = scan.nextInt();

switch(command){
case 1:
System.out.println("显示全部记录");

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