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Related Interview Questions

• What is a constructor?  15.11.08

  Constructor is an operation that creates an object and/or initialises its state....

• C# provides a default constructor for me. I write a constructor that takes a string as a parameter, but want to keep the no parameter one. How many constructors should I write?  25.04.08

  Two. Once you write at least one constructor, C# cancels the freebie constructor, and now you have to write one yourself, even if there’s no implementation in...

• C# provides a default constructor for me. I write a constructor that takes a string as a parameter, but want to keep the no parameter one. How many constructors should I write  16.04.08

  Two. Once you write at least one constructor, C# cancels the freebie constructor, and now you have to write one yourself, even if there’s no implementation in...

• What is copy constructor?  30.04.07

  Constructor which initializes the it's object member variables ( by shallow copying) with another object of the same class. If you don't implement one in your...

• What is constructor chaining and how is it achieved in Java ?  21.08.06

  A child object constructor always first needs to construct its parent (which in turn calls its parent constructor.). In Java it is done via an implicit call to...

• Difference between type constructor and instance constructor? What is static constructor, when it will be fired? And what is its use?  20.07.06

  (Class constructor method is also known as type constructor or type initializer) Instance constructor is executed when a new instance of type is created and th...

• What is an explicit constructor?  09.03.06

  A conversion constructor declared with the explicit keyword. The compiler does not use an explicit constructor to implement an implied conversion of types. It's...

• What is the difference between a copy constructor and an overloaded assignment operator?  09.03.06

  A copy constructor constructs a new object by using the content of the argument object. An overloaded assignment operator assigns the contents of an existing ob...

• What is a conversion constructor?  09.03.06

  A constructor that accepts one argument of a different type. The compiler uses this idiom as one way to infer conversion rules for your class. A constructor wi...

• What is a default constructor?  09.03.06

  A constructor that has no arguments. If you don't code one, the compiler provides one if there are no other constructors. If you are going to instantiate an ar...