One, designed to
This task is to make the students to master the basic knowledge of the Java language and structured method; Zhang
Is Java object-oriented program design basic ideas and methods,
Second, the design requirements
(a) the design must be at least use abstract classes and inheritance, polymorphism and other programming knowledge,
(2) the class name to conform to the naming conventions,
(3) the reasonable setting file structure,
(4) implementation of different students and cancellation function,
Three, the design content
(a) design a student abstract classes, including student id, name and class status and student registration,
The student logout operation;
(2), respectively, to design a specialized class and an undergraduate class of respectively and cancellation of operation;
(3) design a student management class, finally complete the different registration and cancellation of the student,

CodePudding user response:

Said very clearly, is sent directly to the code

CodePudding user response:

The hard, more than 10 minutes

CodePudding user response:

More than 10 lines of code are too lazy to start work