java 连接Oracle数据库

public static void getPowerConnection(String[] srg) {  String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";  //加载JDBC驱动  String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=test";  //连接服务器和数据库test  String userName = "sa";  //默认用户名  String userPwd = "123456";  //密码  Connection dbConn;  try {   Class.forName(driverName);   dbConn = DriverManager.getConnection(dbURL, userName, userPwd);   System.out.println("Connection Successful!");  //如果连接成功控制台输出Connection Successful!  } catch (Exception e) {   e.printStackTrace();  }}}