A. ) CREATE CLASS mylib OF student A s P erson
B. ) CREATE CLASS student OF P erson A s mylib
C. ) CREATE CLASS student OF mylib A s P erson
D. ) CREATE CLASS P erson OF mylib A s student
[单选题]创建一个名为student的新类,保存新类的类库名称是mylib,新类的父类是Person,正确的命令是A.CREATE CLASS mylib OF student As PemonB.CREATE CLASS student OF Pe~on As mylibC.CREATE CLASS student 0F mylib As Pe~onD.CREATE CLASS Person OF mylib As student
[单选题]创建一个名为student的新类,保存新类的类库名称是mylib,新类的父类是Person,正确的命令是( )。A.CREATECLASSmylib
[单选题]创建一个名为student的新类,保存新类的类库名称是mylib,新类的父类是Person,正确的命令是( )。A.CREATECLASSmylib
[单选题]创建一个名为myteacher的新类,保存新类的类库名称是mylib,新类的父类是Teacher,正确的命令是 ( )。A. CREATE CLASS mylib OF myteacher AS TeacherB. CREATE CLASS myteacher OF Teacher AS mylibC. CREATE CLASS myteacher OF mylib AS TeacherD. CREATE CLASS Teacher OF mylib AS myteacher
[单选题]已建立一个名为teacher的类,保存该类的类库名称是mylib,则删除该类正确的命令是( )。A.)REMOVE CLASS mylib OF teacherB.)REMOVE CLASS teacher OF mylibC.)DELETE CLASS mylib OF teacherD.)DELETE CLASS teacher OF rnylib
[试题]在VFP中,创建的新类可以被保存在类库文件中,其扩展名为____。
[试题]在VFP中,创建的新类可以被保存在类库文件中,其扩展名为__________。
[单选题]继承就是创建一个具有别的类的( )的新类的能力。A.名字和地址B.属性和行为C.数据和指针D.属性和引用
[单选题]要创建一个新目录,可以用下面()类实现。A . FileInputStreamB . RandomAccessFileC . FileOutputStreamD . File
[单选题]在VFP中创建新类时,一定可以对这个新类添加()。A . 新属性B . 新方法C . 新事件D . A和B