Do you know how the #equalsAndHashcode contract works? #JavaDevGym Test your @Java skills by taking this #JavaQuizz! *The attached image is from the previous quiz*: bit.ly/jumpintojava

#JavaQuizz: List<Integer> dataList = new ArrayList<>(1); IntStream.range(1,100).parallel().forEach(n->dataList.add(n)); Q&A:which exception?

Does this compile? public class Class<T>{} Class<Number> a = new Class<Double>(456.0); #javaquizz