public?void?testAdd(){
			//創(chuàng)建一個(gè)課程對(duì)象，并通過(guò)調(diào)用add方法，添加到備選課程
			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);
			
			Course?cr2=new?Course("2",?"C語(yǔ)言");
			coursesToSelect.add(0,cr2);
			Course?temp2=(Course)?coursesToSelect.get(0);
			System.out.println("添加了課程："+temp2.id+":"+temp2.name);
			
			Course[]?course={new?Course("3","離散數(shù)學(xué)"),new?Course("4","匯編語(yǔ)言")};
			coursesToSelect.addAll(Arrays.asList(course));
			Course?temp3=(Course)?coursesToSelect.get(2);
			Course?temp4=(Course)?coursesToSelect.get(3);
			System.out.println("添加了兩門課程："+temp3.id+":"+temp3.name+";"
					+temp4.id+":"+temp4.name+";");
			
			
			Course[]?course2={new?Course("5","數(shù)學(xué)"),new?Course("6","語(yǔ)言")};
			coursesToSelect.addAll(2,Arrays.asList(course2));
			Course?temp5=(Course)?coursesToSelect.get(2);
			Course?temp6=(Course)?coursesToSelect.get(3);
			System.out.println("添加了兩門課程："+temp5.id+":"+temp5.name+";"
					+temp6.id+":"+temp6.name+";");
			
			//在此添加課程?1
			coursesToSelect.add(cr1);
			Course?temp0=(Course)?coursesToSelect.get(2);
			System.out.println("添加了課程："+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("有如下課程待選：");
			for(int?i=0;i<size;i++){
				Course?cr=(Course)?coursesToSelect.get(i);
				System.out.println("課程："+cr.id+":"+cr.name);
			}
		}
		
		public?static?void?main(String[]?args)?{
			ListTest?lt=new?ListTest();
			lt.testAdd();//添加課程
			lt.testGet();//查詢課程
		}