测试jdbc注册驱动

import java.sql.*;public class test3 {public static void main(String[] args) throws SQLException {String url = "jdbc:mysql://localhost:3306/__";//datasourcenameString user = "__";//usernameString psw = "__";//passwordtry {Class.forName("com.mysql.jdbc.Driver");} catch (ClassNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();}Connection conn = DriverManager.getConnection(url, user, psw); // 这两句异常处理，trycatch一下System.out.print("注册驱动成功");}}