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What is the difference between array and enum?

Array is collection of data items of same data type.Enum is collection of data items of different data type.


What is the difference between an array of structures and an array within a structure?

The main differences between an array and a structure are: An Array is a collection of similar data items.An array is derived data type.It behave like a built in data type. An array can be increased or decreased. A structure is a collection of dissimilar data items.It is a user defined data types.It must be declared and defined.A structure element can be added if necessary.


What do you mean by MFC Collection Classes in visual programming?

MFC provides a number of ready-to-use arrays, lists, and maps that are referred to as collection classes. Using a collection allows the programmer to hold, process, or store groups of class objects or variables of certain standard types. You can use these collection classes to store objects in memory, and for some standard types they provide serialization support also. The collection varies in size to accommodate as many objects as memory constraints will allow. A collection object appears as a single object. Class member functions can operate on all elements of the collection. A collection class is characterized by its shape and by the types of its elements. The shape refers to the way the objects are organized and stored by the collection. MFC provides three basic collection shapes: arrays, lists, and maps (also known as dictionaries).


What is class in DBMS?

class in dbms is nothing but a collection of attributes.... class in java is defined as collection of objects....:D


Is two items a list?

A list can contain any number of items, including no items (an empty list).