DAO(Data Access Object Pattern)(二)
(student);
// 得到更新后的student
studentDao.getStudent(0);
System.out.println("Student: [RollNo : " + student.getRollNo()
+ ", Name : " + student.getName() + " ]");
}
}
验证输出
[java]
Student: [RollNo : 0, Name : Robert ]
Student: [RollNo : 1, Name : John ]
Student: Roll No 0, updated in the database
Student: [RollNo : 0, Name : Michael ]