Java数据库编程（连接及关闭数据库）

package org.conn;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.SQLException;

public class ConnectionDemo02 {

public static final String DBDRIVER = "org.gjt.mm.mysql.Driver";

public static final String DBURL = "jdbc:mysql://localhost:3306/mldn";

public static void main(String[] args) {

Connection conn = null;

try {

Class.forName(DBDRIVER);

} catch (ClassNotFoundException e) {

// TODO 自动生成的 catch 块

e.printStackTrace();

}

try {

conn = DriverManager.getConnection(DBURL, "root", "root");

} catch (SQLException e) {

// TODO 自动生成的 catch 块

e.printStackTrace();

}

System.out.println(conn);

try {

conn.close();

} catch (SQLException e) {

// TODO 自动生成的 catch 块

e.printStackTrace();

}

}

}