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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 also need a …

  2. Java default constructor - Stack Overflow

    Dec 20, 2010 · Java provides a default constructor which takes no arguments and performs no special actions or initializations, when no explicit constructors are provided. The only action taken by the …

  3. java - Should I initialize variable within constructor or outside ...

    Instead of defining and calling a private constructor from all other constructors, you could also define an instance initializer, which will automatically be called before every constructor. That way, you won't …

  4. class - Java :Setter Getter and constructor - Stack Overflow

    Jul 30, 2013 · The constructor is used to initialize the values at the time of object creation. For example the default value of the int is 0. If you want to create a instance with the value of int parameter other …

  5. java - Why default constructor is required in a parent class if it has ...

    My understanding is that the default constructor is an implicit parameterless constructor. It is only automatically added to a class when no other constructors exist. This would indicate an …

  6. java - Why do this () and super () have to be the first statement in a ...

    Jul 23, 2009 · The parent class' constructor needs to be called before the subclass' constructor. This will ensure that if you call any methods on the parent class in your constructor, the parent class has …

  7. java - Can a class have no constructor? - Stack Overflow

    Dec 8, 2012 · Java does not actually require an explicit constructor in the class description. If you do not include a constructor, then the Java compiler will create a default constructor with an empty argument.

  8. java - Why call super () in a constructor? - Stack Overflow

    May 9, 2012 · 165 There is an implicit call to super() with no arguments for all classes that have a parent - which is every user defined class in Java - so calling it explicitly is usually not required. However, …

  9. Do I really need to define default constructor in java?

    Jan 10, 2017 · A default (no-argument) constructor is automatically created only when you do not define any constructor yourself. If you need two constructors, one with arguments and one without, you …

  10. Difference between a no-arg constructor and a default constructor in …

    Dec 26, 2014 · The default constructor is a constructor that the Java compiler adds to your code if no explicit constructor is available. The default constructor invokes the super class constructor with no …