package com.imooc.cellection;

import java.util.Arrays;

import java.util.List;

import java.util.ArrayList;

public class ListTest {

? ?public List coursesToSelect;

? ?public ListTest(){

? this.coursesToSelect = new ArrayList();

? ?}

? ?public void testAdd(){

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

? coursesToSelect.add(cr1);?

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

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

? ?