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  1. function - Purpose of a constructor in Java? - Stack Overflow

    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 …

  2. Java default constructor - Stack Overflow

    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() { …

  3. java - Accessing constructor of an anonymous class - Stack Overflow

    Dec 12, 2008 · The Java spec only specifies that the anonymous class, which is the offspring of the (optionally) abstract class or implementation of an interface, can not have a constructor by …

  4. java constructor in class cannot be applied to given types

    May 27, 2014 · This is needed since there is no default no-arg constructor in the base class. You have to explicitly define a no-arg constructor in base class or you need to instruct the compiler …

  5. java - Calling constructor of a generic type - Stack Overflow

    Consequently, instantiating a Java class of a parameterized type is impossible because instantiation requires a call to a constructor, which is unavailable if the type is unknown. You …

  6. How do I call one constructor from another in Java?

    Nov 13, 2008 · Calling a constructor from another constructor in Java is primarily a means of providing default values for parameters to the one constructor that should actually construct …

  7. java - How do constructor calls with @Autowired work? - Stack …

    May 11, 2019 · If there is a no-args constructor defined explicitly then Spring invoke this one since there is no other constructor defined. If there is a constructor defined, which requires some …

  8. java - Constructor in an Interface? - Stack Overflow

    An interface does not have an instanced implementation, hence no constructor. The use case you describe is akin to an abstract class in which the constructor calls a method of an abstract …

  9. constructor of subclass in Java - Stack Overflow

    1 Java provides you with a default constructor which takes no parameters. The constructor also has no body, so it is something like so: public Person() {}. The moment you define you own …

  10. super() in Java - Stack Overflow

    Sep 22, 2010 · super() can be used within a constructor to call the constructor of the parent class. OK, now let’s practically implement these points of super(). Check out the difference between …