public class ListTest {

public List<Course> courseToSelect;

public ListTest()

{

this.courseToSelect=new ArrayList<Course>();

}

public void addTest()

{

Course[] cr1={new Course("2","化学"),new Course("1","数学")};

courseToSelect.addAll(cr1);

}

public void forEach()

{

for(Course cou:courseToSelect)

{

System.out.println("课程"+cou.id+":"+cou.name);

}

}

public static  void main(String[] args)

{

ListTest it=new ListTest();

it.addTest();

it.forEach();

}

}