List<Student> list=new ArrayList<Student>();
    	 list.add(new Student("xx", 12,"男"));
    	 list.add(new Student("qq", 18,"男"));
    	 list.add(new Student("aa", 20,"女"));
    	 list.add(new Student("cc", 10,"男"));
    	 list.add(new Student("dd", 14,"女"));
    	 list.add(new Student("ee", 14,"n"));
    	 list.add(new Student("ff", 15,"女"));
         //當前頁碼
    	 int page=2;
         //每頁資料大小
    	 int size=4;
         //獲取頁碼總數
         if(list.size()%size!=0){
          int Pagecount=(list.size()/size)+1;
         }else{
          int Pagecount=(list.size()/size);
          }
    	 if (page*size<list.size()) {
          //按照每頁資料大小來獲取資料集合
    	 System.out.println(list.subList((page-1)*size, page*size));
		}else {
         //保證資料少於4的時候能夠獲取資料集合
    	 System.out.println(list.subList((page-1)*size,list.size()));
		}