java连接oracle数据库 -- jdbc连接

a.      倒入oracle的jar包

b.      编写java文件

 

package com.sp;
import java.sql.*;
//使用jdbc连接oracle 
public class MyOra2 {/*** @param args*/public static void main(String[] args) {// TODO Auto-generated method stubtry {Class.forName("oracle.jdbc.driver.OracleDriver");Connection cc = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:MyOra1","scott","tiger");Statement sm = cc.createStatement();ResultSet rs = sm.executeQuery("select * from emp");while (rs.next()) {//打印用户名System.out.println("用户名 ：" + rs.getString(2));}} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}}

 

oracle的jar包下载地址：classes12.jar