java 数据库两种连接方法

package jdbc;

import java.sql.*;

public class ConnectionDemo2 {
 public static final String DBDRIVER="com.mysql.jdbc.Driver";
 public static final String DBURL="jdbc:mysql://localhost:3306/bizhi" ;
 public static final String DBUSER="root";
 public static final  String DBPASS="admin";

public static void main(String[] args) {

try{
   Class.forName(DBDRIVER);
   System.out.println("成功连接方法一");
  }catch(ClassNotFoundException e){
   e.printStackTrace();   
  }
  /*try{
   Connection conn=DriverManager.getConnection(DBURL,DBUSER,DBPASS);
   System.out.println("成功连接方法二");
   
  }catch(SQLException e){
   e.printStackTrace();
   
  }*/

}

}