JDBC连接Oracle的简单例子

 1import java.sql.*;
 2import java.util.logging.Level;
 3import java.util.logging.Logger;
 4
 5/** *//**
 6 * Title: JDBC连接数据库
 7 * Description: 本实例演示如何使用JDBC连接Oracle数据库，并演示添加数据和查询数据.
 8 */
 9public class JDBCExample {
10
11    public static void main(String[] arg) {
12        try {
13            try {
14                //注册JDBC驱动
15                Class.forName("oracle.jdbc.driver.OracleDriver");
16            } catch (ClassNotFoundException ex) {
17                Logger.getLogger(JDBCExample.class.getName()).log(Level.SEVERE, null, ex);
18            }
19            //创建数据库连接
20            String url = "jdbc:oracle:thin:@127.0.0.1:1521:NEW";
21            String username = "scott";
22            String password = "tiger";
23            Connection con = null;
24            try {
25                con = DriverManager.getConnection(url, username, password);
26            } catch (SQLException ex) {
27