"Big Talk design mode" study Note 7: Template method mode

　　

Sample Exam paper:

　　

1. Test Paper Parent class:

     Public classTestpaper { Public voidTestQuestion1 () {Console.WriteLine ("What is Yang's character in the novel? A. Flying Fox biography B. Tianlong eight C. Hero of the shoot carving d. Laughing and Proud"); Console.WriteLine ("Answer:"+Answer1 ()); }         Public voidTestQuestion2 () {Console.WriteLine ("what is the character of the novel that makes Fox Rush? A. Flying Fox biography B. Tianlong eight C. Hero of the shoot carving d. Laughing and Proud"); Console.WriteLine ("Answer:"+Answer2 ()); }         Public Virtual stringAnswer1 () {return ""; }         Public Virtual stringAnswer2 () {return ""; }    }

2. Student a copy of the test paper category:

 public  class   Testpapera:testpaper { public  overri De  string   Answer1 () { Span style= "color: #0000ff;" >return   c   "         public  override  string   Answer2 () { return   "         ; }    }

3. Student B-Copy of the paper class:

    class Testpaperb:testpaper    {        publicoverridestring  Answer1 ()        {            return  "b";        }          Public Override string Answer2 ()        {            return"D";        }    }

4. Client code:

    classProgram {Static voidMain (string[] args) {Console.WriteLine ("students a copy of the test paper:"); Testpaper Studenta=NewTestpapera ();            Studenta.testquestion1 ();            Studenta.testquestion2 (); Console.WriteLine ("Student B-copy of the test paper:"); Testpaper STUDENTB=NewTestpaperb ();            Studentb.testquestion1 ();        Studentb.testquestion2 (); }    }

When we are going to complete a process or a series of steps that are consistent at a certain level of detail, but the implementation of individual steps at a more detailed level may not be the same, we usually consider using a template method pattern to handle it.

"Big Talk design mode" study Note 7: Template method mode