package CourseToSelect;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

public class ListTest {

List<Course> coursesToSelect ;

public ListTest(){

coursesToSelect = new ArrayList<Course>();

}

public void Add(){

? ?Course cr1 = new Course("1","數(shù)據(jù)結(jié)構(gòu)");

? ?coursesToSelect.add(cr1);

? ?Course temp;

? ?Course course[] = {new Course("2","C語言"),new Course("3","高數(shù)") };

? temp = ?(Course)coursesToSelect.get(0);

? System.out.println("添加了課程："+temp.ID+":"+temp.Name);;

}

public static void main(String[] args) {

ListTest lt = new ListTest();

//lt.Add();

Iterator<Course> it = lt.coursesToSelect.listIterator();

while(it.hasNext()){

Course temp = (Course)it.next();

System.out.println("添加了課程："+temp.ID+":"+temp.Name); }

}

}

為什么運行不出結(jié)果呢？？？？？真是令人疑惑