第四十一道Java小问题

class AnotherTest {

		public AnotherTest() {

		}

		public <T> ArrayList<T> f() {
			return new ArrayList<T>();

		}

		public <T> ArrayList<T> f(ArrayList<T> a) {
			return a;
		}

	}

	public class Test {
		public static void main(String[] args) throws Exception {
			AnotherTest a = new AnotherTest();
			ArrayList<Integer> b = a.f();
			System.out.print(b.getClass().getSimpleName());
			ArrayList<Integer> c = a.f(new ArrayList(Arrays.asList(1.2, 3.6)));
			System.out.print(c.getClass().getSimpleName());

		}
	}

 

请问以上程序的输出是: