<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[keep320silent的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/keep320silent</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; keep320silent]]></copyright><item><title><![CDATA[Statement和PreparedStatement的对比]]></title><link>https://blog.youkuaiyun.com/keep320silent/article/details/115243438</link><guid>https://blog.youkuaiyun.com/keep320silent/article/details/115243438</guid><author>keep320silent</author><pubDate>Fri, 26 Mar 2021 14:51:22 +0800</pubDate><description><![CDATA[Statement和PreparedStatement的对比

总之，在开发过程中，如果需要SQL注入（需要拼接SQL语句），就必须使用Statement；如果只是给SQL语句传值的话，使用PreparedStatement。以下代码就是必须使用Statement，因为需要字符串的拼接。
import java.sql.*;
import java.util.ResourceBundle;
import java.util.Scanner;

public class Statement_Prepareds]]></description><category></category></item><item><title><![CDATA[数据库实践——模拟用户登录功能的实现]]></title><link>https://blog.youkuaiyun.com/keep320silent/article/details/115218095</link><guid>https://blog.youkuaiyun.com/keep320silent/article/details/115218095</guid><author>keep320silent</author><pubDate>Fri, 26 Mar 2021 11:18:31 +0800</pubDate><description><![CDATA[数据库实践——模拟用户登录功能的实现
假设用户数据库如下：

代码实现：
import javax.swing.plaf.nimbus.State;
import java.sql.*;
import java.util.HashMap;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.Scanner;

public class UserLogin {
    public static void main(S]]></description><category></category></item><item><title><![CDATA[数据库——jdbc编程]]></title><link>https://blog.youkuaiyun.com/keep320silent/article/details/115209641</link><guid>https://blog.youkuaiyun.com/keep320silent/article/details/115209641</guid><author>keep320silent</author><pubDate>Thu, 25 Mar 2021 15:43:03 +0800</pubDate><description><![CDATA[数据库——jdbc编程
JDBC编程六步：

import java.sql.*;
import java.util.ResourceBundle;

public class JDBC_Test {
    public static void main(String[] args) {

        //使用资源绑定器绑定属性配置文件
        ResourceBundle boundle= ResourceBundle.getBundle("jdbc");
        String dr]]></description><category></category></item><item><title><![CDATA[java 代码编译报错：缺少返回语句]]></title><link>https://blog.youkuaiyun.com/keep320silent/article/details/108939178</link><guid>https://blog.youkuaiyun.com/keep320silent/article/details/108939178</guid><author>keep320silent</author><pubDate>Tue, 06 Oct 2020 14:43:11 +0800</pubDate><description><![CDATA[java 代码编译报错：缺少返回语句
public static boolean minzhi(int number){   //定义一个布尔型方法，返回值类型true表示质数，false表示非质数。
		for(int i=2;i&lt;number;i++){
			if(number%i!=0)
				return true;
			return false;         //minzhishu.java:20: 错误: 缺少返回语句
        }
			
		}
	}

正确代码：
pu]]></description><category></category></item></channel></rss>