What do you mean by inheritance? C++

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Inheritance is the process of creating new classes, called derived classes, from existing classes or base classes. The derived class inherits all the capabilities of the base class, but can add embellishments and refinements of its own.

2012-02-14, 2923👍, 0💬

What is virtual class and friend class?
What is virtual class and friend class? Friend classes are used when two or more classes are designed to work together and need access to each other's implementation in ways that the rest of the world shouldn't be allowed to have. In other words, they help keep private things private. For instance, ... 2012-02-15, 3048👍, 0💬

What is namespace? C++
What is namespace? C++ Namespaces allow us to group a set of global classes, objects and/or functions under a name. To say it somehow, they serve to split the global scope in sub-scopes known as namespaces. The form to use namespaces is: namespace identifier { namespace-body } Where identifier is an... 2012-02-13, 3014👍, 0💬

Describe PRIVATE, PROTECTED and PUBLIC – the differences and give examples.
Describe PRIVATE, PROTECTED and PUBLIC – the differences and give examples. class Point2D{ int x; int y; public int color; protected bool pinned; public Point2D() : x(0) , y(0) {} //default (no argument) constructor }; Point2D MyPoint; You cannot directly access private data members when they are de... 2012-02-13, 2999👍, 0💬

How can you tell what shell you are running on UNIX system?
You can do the Echo $RANDOM. It will return a undefined variable if you are from the C-Shell, just a return prompt if you are from the Bourne shell, and a 5 digit random numbers if you are from the Korn shell. You could also do a ps -l and look for the shell with the highest PID. class Point2D{ int ... 2012-02-11, 2998👍, 0💬

What is Boyce Codd Normal form?
What is Boyce Codd Normal form? A relation schema R is in BCNF with respect to a set F of functional dependencies if for all functional dependencies in F+ of the form a-> , where a and b is a subset of R, at least one of the following holds: * a- > b is a trivial functional dependency ... 2012-02-15, 2958👍, 0💬

What is an object? C++
What is an object? C++ Object is a software bundle of variables and related methods. Objects have state and behavior. 2012-02-08, 2945👍, 0💬

What do you mean by inheritance? C++
What do you mean by inheritance? C++ Inheritance is the process of creating new classes, called derived classes, from existing classes or base classes. The derived class inherits all the capabilities of the base class, but can add embellishments and refinements of its own. 2012-02-14, 2924👍, 0💬

What do you mean by binding of data and functions?
What do you mean by binding of data and functions? Encapsulation. 2012-02-16, 2882👍, 0💬

What is a COPY CONSTRUCTOR and when is it called?
What is a COPY CONSTRUCTOR and when is it called? A copy constructor is a method that accepts an object of the same class and copies it’s data members to the object on the left part of assignement: class Point2D{ int x; int y; public int color; protected bool pinned; public Point2D() : x(0) , y(0) {... 2012-02-14, 2871👍, 0💬

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