java - Arraylist作为方法中的参数并在多个Arraylist中添加数据

Question

我有一个java程序:

    public class Faculty 
    {
    String facultyName;
    Double gemavailable; 
    }

    public class Session
   {
    String coursename;
    float noofhours;
    ArrayList<Faculty> faculty=new ArrayList<>();
    }

    public class TrainingInstitute 
   {
   ArrayList<Faculty> faculty=new ArrayList<>();
   ArrayList<Session> session=new ArrayList<>();

   public void takeASession(String coursename,float hours,ArrayList<Faculty> faculty)
   {
    Session s=new Session(coursename, hours, faculty);
    session.add(s);
   }

我的主类看起来像:

    public class TrainingController 
    {

    public static void main(String[] args) 
    {
        TrainingInstitute t=new TrainingInstitute();

        t.takeASession("java", 5,f1);
    }

我的主要动机是通过设置类(class)名称、参加该类(class)的教师和类(class)持续时间来创建一个 session 对象。并将该 session 对象添加到培训机构的 sessionTaken 列表中。我该怎么做？

Answer 1

有两种方法可以做到这一点

您可以在 Session 类上使用一个重载构造函数，并首先插入一个教员，然后使用 addFaculty 方法逐步添加教员。

    public class Session {

    private String coursename;
    private float noofhours;
    private ArrayList<Faculty> faculty=new ArrayList<Faculty>();

    public Session(String courseName, float noOfHours, Faculty faculty){
        this.coursename=courseName;
        this.noofhours=noOfHours;
        this.faculty.add(faculty);

    }

    public Session(String courseName, float noOfHours, ArrayList<Faculty> faculty){
        this.coursename=courseName;
        this.noofhours=noOfHours;
        this.faculty=faculty;

    }

    public void addFaculty(Faculty faculty){
        this.faculty.add(faculty);

    }


}

否则你可以做

 t.takeASession("java", 5,new ArrayList(){{add(f1);}});