diff --git "a/\351\241\271\347\233\256\344\275\234\344\270\232\357\274\210\345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237\357\274\211/\345\274\240\351\221\253/Deom05.java" "b/\351\241\271\347\233\256\344\275\234\344\270\232\357\274\210\345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237\357\274\211/\345\274\240\351\221\253/Deom05.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2bfb7e73a003b247c561b8c43a024e66b3b491f6
--- /dev/null
+++ "b/\351\241\271\347\233\256\344\275\234\344\270\232\357\274\210\345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237\357\274\211/\345\274\240\351\221\253/Deom05.java"
@@ -0,0 +1,77 @@
+package day01;
+
+import java.util.Scanner;
+
+import com.sun.tools.javac.util.Context.Key;
+
+public class Deom05 {
+
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+		String yonghu [][] = new String [10][4]; 
+		String shuji [][] = new String [10][5];
+		String chuban [][] = new String [10][3];
+		
+		yonghu[1][0] = "一部"; 
+		yonghu[1][0] = "123"; 
+		yonghu[1][0] = "123456"; 
+		yonghu[1][0] = "普通会员"; 
+		
+		yonghu[2][1] = "二部"; 
+		yonghu[2][1] = "321"; 
+		yonghu[2][1] = "654321"; 
+		yonghu[2][1] = "高级会员";
+		
+		shuji[1][0] = "1313"; 
+		shuji[1][0] = "老人与海"; 
+		shuji[1][0] = "30"; 
+		shuji[1][0] = "北京出版社";
+		shuji[1][0] = "海明威";
+		
+		shuji[2][1] = "1414"; 
+		shuji[2][1] = "三体"; 
+		shuji[2][1] = "35"; 
+		shuji[2][1] = "南京出版社";
+		shuji[2][1] = "刘慈欣";
+		
+		chuban[1][0] = "北京出版社"; 
+		chuban[1][0] = "北京"; 
+		chuban[1][0] = "张三"; 
+		
+		chuban[2][1] = "南京出版社"; 
+		chuban[2][1] = "南京"; 
+		chuban[2][1] = "李四"; 
+		
+		while (true) {
+			System.out.println("1.登录 2.注册");
+			int key = scan.nextInt();
+			if (key == 1) {
+				while (true) {
+					System.out.println("请输入用户名");
+					String username = scan.next();
+					
+					System.out.println("请输入密码");  
+					String password = scan.next();
+					
+					boolean flag = false;
+					
+					for (int i = 0; i < yonghu.length; i++) {
+						if (username.equals(yonghu[i][1]) && password.equals(yonghu[i][2])) {
+							flag = true;
+							break;
+						}
+						if (flag == true) {
+							System.out.println("登录成功！");
+						}else {
+							System.out.println("该用户不存在或者密码错误！请重新登录！");
+						}
+					}
+					
+				}
+			}
+			
+		}
+		
+	}
+
+}