jave学习第一节代码

package li;import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;public class yan {/** * @param args */public static void main(String[] args) {//2.建立同数据库的连接//url：统一资源定位符String url="jdbc:oracle:thin:@10.25.84.126:1521:orcl";String user="scott";String password="tiger";Connection con=null;Statement st=null;String sql="select * from DEPT";String sql1="delete from USERTEST";ResultSet rs=null;PreparedStatement pst=null;//1.加载驱动try{Class.forName("oracel.jdbc.driver.OracelDriver");con = DriverManager.getConnection(url, user, password);System.out.println("数据库连接成功！");}catch (ClassNotFoundException e){//TODO Auto-generated catch blocke.printStackTrace();}catch(SQLException e){//TODO Auto-generated catch blocke.printStackTrace();}}