获得List<T> T的类型

public class GenericTest
{
    public List<String> list = new LinkedList<String>();

    public static void main(String[] args) throws SecurityException, NoSuchFieldException
    {
        ParameterizedType pt = (ParameterizedType) GenericTest.class.getField(
                "list").getGenericType();
        System.out.println(pt.getActualTypeArguments().length);
        System.out.println(pt.getActualTypeArguments()[0]);
    }
}