Do you know what are pure virtual functions?

1152

Can we define a constructor as virtual in c++?

1129

Reads in the size of a square from the screen; 2. Prints a hollow square of that size out of “-“, “|” and blanks on screen; 3. Prints the same hollow square onto a text file. Your program should work for squares of all side sizes between 1 and 20. --- │ │ │ │ │ │ ---

2104

Explain function overloading and operator overloading.

1080

Name four predefined macros.

1040

What is the best book for c++ beginners?

1047

What is difference between c++ 11 and c++ 14?

1103

Is arr and &arr are same expression for an array?

1057

Eplain extern keyword?

1030

Explain polymorphism?

1079

What does extern mean in a function declaration in c++?

1214

What is a NULL Macro? What is the difference between a NULL Pointer and a NULL Macro?

1116

What is the insertion operator and what does it do?

1049

Can I have a reference as a data member of a class? If yes, then how do I initialise it?

1230

What is a Default constructor?

1599