a constructor that can be invoked with no arguments/parameters
a constructor that has no arguments
a constructor that is used when no initial value is specified for an object
a constructor that takes no arguments, or all its arguments have defaults
a constructor which needs no arguments
a constructor without any parameter
constructor for a class which has no parameters and is called whenever a new object is created without arguments.
(1) A constructor that takes no arguments. (2) A constructor for which all the arguments have default values. See constructor, destructor.
In C++, the class constuctor that takes no parameters (and consequently, sets all data members to their default values).
A default constructor is a constructor that can be called with no arguments. http://www.parashift.com/c++-faq-lite/ctors.html