
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 …
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() { …
java - Should I initialize variable within constructor or outside ...
When I use Java based on my C++ knowledge, I love to initialize variable using the following way.
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 …
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 …
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 …
java - Why do this () and super () have to be the first statement in …
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 …
java - Why call super () in a constructor? - Stack Overflow
May 9, 2012 · 0 as constructor is not a part of class, so while calling it cannot be implemented, by using SUPER () we can call the members and memberfunctions in constructor.
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 …
java - Is it unnecessary to put super () in constructor ... - Stack ...
Sep 15, 2015 · Default constructor: the public no-args constructor added by the compiler when there is no explicit constructor in the class. So all classes have at least one constructor. …