From c5373e65f3e6d0f7bac1768fc6a03860998fbb9e Mon Sep 17 00:00:00 2001
From: liangjian66 <2695621767@qq.com>
Date: Thu, 28 Apr 2022 14:23:42 +0800
Subject: [PATCH] =?UTF-8?q?java=E5=BC=82=E5=B8=B8=E5=A4=84=E7=90=86?=
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java异常处理
---
 ...46\344\271\240\347\254\224\350\256\260.md" |  1 +
 src/Test.java                                 | 35 ++++++++++++-------
 2 files changed, 24 insertions(+), 12 deletions(-)

diff --git "a/Java\345\255\246\344\271\240\347\254\224\350\256\260.md" "b/Java\345\255\246\344\271\240\347\254\224\350\256\260.md"
index 724f146..756e0de 100644
--- "a/Java\345\255\246\344\271\240\347\254\224\350\256\260.md"
+++ "b/Java\345\255\246\344\271\240\347\254\224\350\256\260.md"
@@ -2,3 +2,4 @@
 
 ### Java中的异常处理 
 
+* 在程序出错误的时候，Java支持异常，将错误信息封装起来，并让程序跳出正常的处理流程，交给异常处理部分去处理 
\ No newline at end of file
diff --git a/src/Test.java b/src/Test.java
index c6d7a47..8019972 100644
--- a/src/Test.java
+++ b/src/Test.java
@@ -52,15 +52,26 @@ public class Test {
     public static void main(String[] args) throws ClassNotFoundException, SQLException {
 
 
+
+
+//        try {
+//            int[] arr = new int[1];
+//            arr[1]  = 9;
+//        }catch (Exception ex){
+//            ex.printStackTrace();
+//        }
+
+        Class.forName("");
+
         int[] arr = new int[1];
         arr[1]  = 9;
 
-        try {
+        System.out.println("异常处理");
 
-        }catch (Exception eo){
 
-        }
+    }
 
+   public void  connect(){
         Connection connection = null;
         try {
             Class.forName("com.mysql.jdbc.Driver");
@@ -81,15 +92,15 @@ public static void main(String[] args) throws ClassNotFoundException, SQLExcepti
 
 
         String sql = "select * from user_tab where name = 'hanxiao'";
-        PreparedStatement preparedStatement = connection.prepareStatement(sql);
-        ResultSet resultSet = preparedStatement.executeQuery(sql);
-        while (resultSet.next()){
-            System.out.print("[");
-            System.out.print( resultSet.getInt("id")+"\t");
-            System.out.print( resultSet.getString("name")+"\t");
-            System.out.print( resultSet.getInt("age")+"\t");
-            System.out.println("]");
-        }
+//        PreparedStatement preparedStatement = connection.prepareStatement(sql);
+//        ResultSet resultSet = preparedStatement.executeQuery(sql);
+//        while (resultSet.next()){
+//            System.out.print("[");
+//            System.out.print( resultSet.getInt("id")+"\t");
+//            System.out.print( resultSet.getString("name")+"\t");
+//            System.out.print( resultSet.getInt("age")+"\t");
+//            System.out.println("]");
+//        }
 
     }