Nov 13, 2013 · A constructor is used to create an instance of the class Card. And you'll need to call it 52 times to have 52 cards: new Card(1, "hearts"), etc. Now each instance of Player (you …

Dec 20, 2010 · What exactly is a default constructor — can you tell me which one of the following is a default constructor and what differentiates it from any other constructor? public Module() { …

Suppose SomeService class extends another class named SuperSomeService and it has some constructor which takes a name as its argument. In this case, Autowired constructor works …

To my knowledge, you can't mock constructors with mockito, only methods. But according to the wiki on the Mockito google code page there is a way to mock the constructor behavior by …

When I use Java based on my C++ knowledge, I love to initialize variable using the following way.

Apr 13, 2010 · When do you call super() in Java? I see it in some constructors of the derived class, but isn't the constructors for each of the parent class called automatically? Why would …

Nov 2, 2012 · putting if/else statements inside of both the constructor and setters are valid often used. It ensures that the object is never in an invalid state. As John3136 pointed out in the …

Dec 12, 2008 · You can have a constructor in the abstract class that accepts the init parameters. The Java spec only specifies that the anonymous class, which is the offspring of the …

Jan 19, 2014 · A class that takes a required dependency as a constructor argument can only be instantiated if that argument is provided (you should have a guard clause to make sure the …

Nov 4, 2008 · Can an abstract class have a constructor? If so, how can it be used and for what purposes?