myclass.java

实现了一个小型的成绩管理系统。希望能帮助大家。

/*
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 * and open the template in the editor.
 */

package Course;
import java.io.*;
import javax.swing.JOptionPane;
/**
 *
 * @author Administrator
 */
public class myClass implements Serializable{
    private int grade;
    private String specialty;
    private int ClassNum;
    private int StudentNum;
    private Student[] myStudent=null;
    private Course[] myCourse=new Course[20];
    private int myCourseNum=0;
    public myClass(){}
    public myClass(int grade,String specialty,int ClassNum,int StudentNum)
    {
        this.grade=grade;
        this.specialty=specialty;
        this.ClassNum=ClassNum;
        this.StudentNum=StudentNum;
    }

    public void initStudent(Student[] myStudent)
    {
        this.myStudent=myStudent;
    }

    public void addCourse(Course oneCourse)
    {
            myCourse[this.myCourseNum] = oneCourse;
            this.myCourseNum++;
    }

    public void delClass(String names)
    {
    int i=0;
       for(;i<this.myCourseNum;i++)
       {
           if(this.myCourse[i].toString().equals(names))break;
       }
       if(i!=this.myCourseNum)
       {
           for(int j=i;j<myCourseNum;j++)
           {
               myCourse[j]=myCourse[j+1];
           }
           myCourse[myCourseNum]=null;
           myCourseNum--;
       }
       else
       {
           JOptionPane.showMessageDialog(null,"找不到这个课程","课程设计提示",JOptionPane.INFORMATION_MESSAGE);
       }
    }

    public Course findCourse(String Name)
    {
        int i=0;
        for(i=0;i<this.myCourseNum;i++)
        {
            if(this.myCourse[i].toString().equals(Name))break;
        }
        if(i!=this.myCourseNum)
        {
            return myCourse[i];
        }
        else return null;
    }

    public Course[] getCourse()
    {
        return this.myCourse;
    }

    public int getMyCourseNum()
    {
        return this.myCourseNum;
    }


    public int getGrade()
    {
        return this.grade;
    }
    public String getSpecialty()
    {
        return this.specialty;
    }
    public Student[] getStudent()
    {
        return this.myStudent;
    }
    public int getClassNum()
    {
        return this.ClassNum;
    }
    public int getStudentNum()
    {
        return StudentNum;
    }


    public String[] getClassMes()
    {
        String[] a={String.valueOf(this.grade),this.specialty,String.valueOf(this.ClassNum),String.valueOf(this. StudentNum)};
        return a;
    }


    public String toString()
    {
        return grade+"年级"+this.specialty+ClassNum+"班";
    }
}