java数据库连接代码

public class Constants {
 
 /**
  * SQLServer2005
  */
// public static String driver = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
// 
// public static String url = "jdbc:sqlserver://localhost:1433;DatabaseName=sample";
// 
// public static String user = "sa";
// 
// public static String passwd = "123456";
  /**
  * Oracle
  */
 public static String driver = "oracle.jdbc.driver.OracleDriver";
 
 public static String url = "jdbc:oracle:thin:@127.0.0.1:1521:orcl";
 
 public static String user = "scott";
 
 public static String passwd = "tiger";
}