
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 · 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 …
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 …
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 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 - 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 …
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 …
Why do we need copy constructor and when should we use copy …
Mar 31, 2015 · Through Copy constructor We can do cloning with out using much complex stuff like implementing Cloneable interface and overwriting clone method. Also we no need to worry …
Clone() vs Copy constructor- which is recommended in java
Sep 25, 2013 · Closed 10 years ago. clone method vs copy constructor in java. which one is correct solution. where to use each case?
java - How can I access a private constructor of a class ... - Stack ...
Apr 8, 2010 · I am a Java developer. In an interview I was asked a question about private constructors: Can you access a private constructor of a class and instantiate it? I answered …