public static void main(String[] args) {

        List<Animal> list = new ArrayList<Animal>();

        list.add(new Animal("miamiao",2));

        list.add(new Animal("wangwang",4));

        //1.8 a为泛型中的对象

        list.forEach(a ->{

            System.out.println(a.getName());

        });

        //1.5 增强行for循环

        for (Animal a : list) {

            System.out.println(a.getName());

        }

        //普通循环

        for(int i =0;i<list.size();i++){

            System.out.println(list.get(i).getName());

        }

    }