From 94ed3d08b54c8989cb815e9ba808f8ab5ded44b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9E=97=E6=88=90=E9=B8=BF?= <3157164764@qq,com>
Date: Thu, 22 Dec 2022 21:56:19 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=BA=86=E4=B8=80=E4=B8=8B?=
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---
 ...73\347\273\237\345\210\235\346\255\245.md" | 22 ++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git "a/16 \346\236\227\346\210\220\351\270\277/20221220 \345\255\246\347\224\237\347\256\241\347\220\206\347\263\273\347\273\237\345\210\235\346\255\245.md" "b/16 \346\236\227\346\210\220\351\270\277/20221220 \345\255\246\347\224\237\347\256\241\347\220\206\347\263\273\347\273\237\345\210\235\346\255\245.md"
index 176ba1b..a631397 100644
--- "a/16 \346\236\227\346\210\220\351\270\277/20221220 \345\255\246\347\224\237\347\256\241\347\220\206\347\263\273\347\273\237\345\210\235\346\255\245.md"	
+++ "b/16 \346\236\227\346\210\220\351\270\277/20221220 \345\255\246\347\224\237\347\256\241\347\220\206\347\263\273\347\273\237\345\210\235\346\255\245.md"	
@@ -24,7 +24,9 @@ package 学生管理系统;
 
 import org.ietf.jgss.GSSName;
 
+import java.lang.reflect.Array;
 import java.time.OffsetDateTime;
+import java.util.Arrays;
 import java.util.FormatFlagsConversionMismatchException;
 import java.util.Scanner;
 
@@ -52,18 +54,22 @@ public class A1 {
                 System.out.println("请输入你想要添加学生的名字");
                 String nase = sc.next();
                 tianJia(ll,nase);
+                System.out.println(Arrays.toString(ll));
             } else if (gn == 3) {
                 System.out.println("请输入你想要修改的学生姓名");
                 String nase1=sc.next();
                 xiuGai(ll,nase1);
+                System.out.println(Arrays.toString(ll));
             } else if (gn == 4) {
                 System.out.println("请输入你想要删除的学生名字");
                 String nase2 = sc.next();
                 shanChu(ll,nase2);
+                System.out.println(Arrays.toString(ll));
             } else if (gn == 5) {
                 System.out.println("请输入你要查找学生的名字");
                 String nase3 =sc.next();
                 chaXun(ll,nase3);
+                System.out.println(Arrays.toString(ll));
             } else if (gn == 6) {
                 System.out.println("已经成功为你退出系统");
                 break a;
@@ -105,12 +111,14 @@ public class A1 {
     //修改学生信息
     public static void xiuGai(String[] ll,String nase1){
         for (int i=0;i< ll.length;i++){
-            if (nase1.equals(ll[i])){
+            if (ll[i] != null){
+            if (nase1.equals(ll[i])) {
                 System.out.println("请输入新的名字");
                 String ls = sc.next();
-                ll[i]=ls;
+                ll[i] = ls;
                 System.out.println("修改成功");
                 break;
+            }
             }else {
                 System.out.println("该名单中没有该学生");
                 break;
@@ -120,10 +128,12 @@ public class A1 {
     //删除学生信息
     public static void shanChu(String[]ll,String nase2) {
         for (int i=0;i< ll.length;i++){
-            if (nase2.equals(ll[i])){
-                ll[i]=null;
+            if (ll[i] != null){
+            if (nase2.equals(ll[i])) {
+                ll[i] = null;
                 System.out.println("删除成功");
                 break;
+            }
             }else {
                 System.out.println("没有该学生,请重新输入");
                 break;
@@ -134,10 +144,12 @@ public class A1 {
     // 查询学生信息
     public static void chaXun(String[] ll,String nase3) {
         for (int i=0;i< ll.length;i++){
-            if (nase3.equals(ll[i])){
+            if (ll[i] != null){
+            if (nase3.equals(ll[i])) {
                 System.out.println(ll[i]);
                 System.out.println("查到有此人");
                 break;
+            }
             }else {
                 System.out.println("查无此人");
                 break;
-- 
Gitee