From e3a2a1f9da48704a59ad2c7fe7404dd93bf8f713 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=94=A1=E5=98=89=E4=B9=90?= <3196825236@qq.com>
Date: Mon, 26 Dec 2022 15:00:58 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E5=8D=81=E4=BA=8C=E6=AC=A1=E4=BD=9C?=
 =?UTF-8?q?=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...14\346\254\241\344\275\234\344\270\232.md" | 135 ++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 "13 \350\224\241\345\230\211\344\271\220/\347\254\254\345\215\201\344\272\214\346\254\241\344\275\234\344\270\232.md"

diff --git "a/13 \350\224\241\345\230\211\344\271\220/\347\254\254\345\215\201\344\272\214\346\254\241\344\275\234\344\270\232.md" "b/13 \350\224\241\345\230\211\344\271\220/\347\254\254\345\215\201\344\272\214\346\254\241\344\275\234\344\270\232.md"
new file mode 100644
index 0000000..49f6816
--- /dev/null
+++ "b/13 \350\224\241\345\230\211\344\271\220/\347\254\254\345\215\201\344\272\214\346\254\241\344\275\234\344\270\232.md"	
@@ -0,0 +1,135 @@
+```java
+
+
+作业
+    
+
+/*1.浏览所有图书
+2.添加图书
+3.替换图书
+4.删除图书
+5.查询图书信息
+6.退出图书管理系统
+ */
+import java.util.Scanner;
+
+public class xt {
+    import java.util.Arrays;
+    import java.util.Scanner;
+        public static void main(String[] args) {
+        /*1.浏览所有图书
+        2.添加图书
+        3.替换图书
+        4.删除图书
+        5.查询图书信息
+        6.退出图书管理系统
+         */
+            while (true){
+                System.out.println("");
+                String arr[] = {"真希望你也喜欢你自己", "西游记", "红楼梦", "水浒传", "计算机基础", "鲁滨孙漂流记", "小王子"};
+                System.out.println("1.浏览所有图书"+"\n"+"2.添加图书"+"\n"+ "3.替换图书"+"\n"+"4.删除图书"+"\n"+"5.查询图书信息"+"\n"+"6.退出图书管理系统");
+                System.out.println("请输入相应数字执行相应操作：");
+                Scanner sc = new Scanner(System.in);
+                int num = sc.nextInt();
+                if (num==6){
+                    break;
+                }
+                switch (num){
+                    case 1:
+                        System.out.println(Arrays.toString(arr));
+                        break;
+                    case 2:
+                        int count=0;
+                        System.out.println("输出原先数组");
+                        System.out.println(Arrays.toString(arr));
+                        System.out.println("请问你想添加几本书?(请输入一个数字:)");
+                        int num1 = sc.nextInt();
+                        int num2 = num1;
+                        for (int i = 0; i < num2; i++) {
+                            System.out.println("正在给图书" + (i + 1) + "腾出空间，请稍等");
+                            count++;
+                        }
+                        System.out.println(count + "次");
+                        System.out.println("加载完毕");
+                        String newArr[] = new String[count + arr.length];
+                        for (int i = 0; i < num1; i++) {
+                            System.out.println("请输入你想加入的" + (i + 1) + "本书:");
+                            String mk = sc.next();
+                            newArr[i] = mk;
+                        }
+                        for (int i = 0; i < newArr.length; i++) {
+                            if (i >= count) {
+                                newArr[i] = arr[i - count];
+                            }
+                        }
+                        System.out.println(Arrays.toString(newArr));
+                        break;
+                    case 3:
+                        Scanner scan = new Scanner(System.in);
+                        String arr1[] = { "西游记", "红楼梦", "水浒传", "计算机基础", "鲁滨孙漂流记", "小王子"};
+                        for (String string : arr1) {
+
+                            System.out.print(string + " ");
+                        }
+                        System.out.println();//换行
+                        System.out.println("请输入你想替换的书:");
+                        String want = scan.next();
+                        for (int i = 0; i <arr.length ; i++) {
+                            if (want.equals(arr[i])) {
+                                System.out.println("请输入你替换后的书:");
+                                String newz = scan.next();
+                                arr[i] = newz;
+                                System.out.println("替换成功！！");
+                            }
+
+                        }
+                        System.out.print(Arrays.toString(arr));
+                        break;
+                    case 4:
+                        System.out.println(Arrays.toString(arr));
+                        System.out.println("请输入你想删除的书:");
+                        String f = sc.next();
+                        String newArr1[] = new String[arr.length - 1];
+                        for (int i = 0, k = 0; i < arr.length; i++) {
+                            if (!f.equals(arr[i])) {
+                                newArr1[k] = arr[i];
+                                k++;
+                            }
+                        }
+                        System.out.println("改变之前的图书信息:" + Arrays.toString(arr));
+                        System.out.println("改变之后的图书信息 :" + Arrays.toString(newArr1));
+                        break;
+                    case 5:
+                        System.out.println(Arrays.toString(arr));
+                        System.out.println("请输入你想要查询的图书信息:");
+                        String chaxun = sc.next();
+                        if (chaxun.equals(arr[0])) {
+
+                        if (chaxun.equals(arr[1])) {
+                            System.out.println(arr[1]+"这一本书讲的主要是师徒四人如何成功求取真经");
+                        }
+                        if (chaxun.equals(arr[2])) {
+                            System.out.println(arr[2]+"这一本书讲的主要是如何看待人情事故");
+                        }
+                        if (chaxun.equals(arr[3])) {
+                            System.out.println(arr[3]+"这一本书讲的主要是英雄的诞生");
+                        }
+                        if (chaxun.equals(arr[4])) {
+                            System.out.println(arr[4]+"这一本书讲的主要是如何在艰难的环境中生存");
+                        }
+                        if (chaxun.equals(arr[5])) {
+                            System.out.println(arr[5]+"这一本书讲的主要是如何学会使用计算机");
+                        }
+                        if (chaxun.equals(arr[6])) {
+                            System.out.println(arr[6]+"这一本书讲的主要是如何善待他人");
+                        }
+                        break;
+                    case 6:
+                        System.out.println("已退出图书管理系统");
+                        break;
+                }
+            }
+        }
+    }
+}
+```
\ No newline at end of file
-- 
Gitee