JDBC连接mysql/oracle

String connUrl = "jdbc:mysql://localhost:3306/testDb";

String connUser = "root";

String connPwd = "root";

Class.forName("com.mysql.jdbc.driver");

Connection conn = DriverManager.getConnection(connUrl,connUser,connPwd);

2.JDBC连接oracle:

String connUrl = "jdbc:oracle:thin:@localhost:1521:testDb";

String connUser = "root";

String connPwd = "root";

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

Connection conn = DriverManager.getConnection(connUrl,connUser,connPwd);

原文：http://blog.csdn.net/wwhrestarting/article/details/45620307