import java.sql.*;      public class Test {      public static void main(String[] srg) {         String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";   //加载JDBC驱动         String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=information";         String userName = "sa";           String userPwd = "123";         Connection dbConn;         try {         Class.forName(driverName);         dbConn = DriverManager.getConnection(dbURL, userName, userPwd);         System.out.println("Connection Successful!");        } catch (Exception e) {         e.printStackTrace();         }      }      }