JDBC 连接 Oracle

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.Statement;

public class Test

{

public static void main(String[] args) throws Exception

{

Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();

Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.2.100:1521:orcl", "username", "password");

Statement stmt = conn.createStatement();

stmt.execute("select * from dual");

ResultSet rs = stmt.getResultSet();

while (rs.next())

{

System.out.println(rs.getString("DUMMY"));

}

}

}