public void testAdd(){
//创建一个课程对象,并通过调用add方法,添加到备选课程
Course cr1=new Course("1", "数据结构");
coursesToSelect.add(cr1);
Course temp=(Course) coursesToSelect.get(0);
System.out.println("添加了课程:"+temp.id+":"+temp.name);
Course cr2=new Course("2", "C语言");
coursesToSelect.add(0,cr2);
Course temp2=(Course) coursesToSelect.get(0);
System.out.println("添加了课程:"+temp2.id+":"+temp2.name);
Course[] course={new Course("3","离散数学"),new Course("4","汇编语言")};
coursesToSelect.addAll(Arrays.asList(course));
Course temp3=(Course) coursesToSelect.get(2);
Course temp4=(Course) coursesToSelect.get(3);
System.out.println("添加了两门课程:"+temp3.id+":"+temp3.name+";"
+temp4.id+":"+temp4.name+";");
Course[] course2={new Course("5","数学"),new Course("6","语言")};
coursesToSelect.addAll(2,Arrays.asList(course2));
Course temp5=(Course) coursesToSelect.get(2);
Course temp6=(Course) coursesToSelect.get(3);
System.out.println("添加了两门课程:"+temp5.id+":"+temp5.name+";"
+temp6.id+":"+temp6.name+";");
//在此添加课程 1
coursesToSelect.add(cr1);
Course temp0=(Course) coursesToSelect.get(2);
System.out.println("添加了课程:"+temp0.id+":"+temp0.name);
}
/**
* 取得List中元素的方法
* @param args
*/
public void testGet(){
int size=coursesToSelect.size();
System.out.println("有如下课程待选:");
for(int i=0;i<size;i++){
Course cr=(Course) coursesToSelect.get(i);
System.out.println("课程:"+cr.id+":"+cr.name);
}
}
public static void main(String[] args) {
ListTest lt=new ListTest();
lt.testAdd();//添加课程
lt.testGet();//查询课程
}