what is a class? Explain with an example.

1141

What is purpose of abstract class?

1074

How can a C function be called in a C++ program?

752

What is the use of string in c++?

1029

What is meant by forward referencing and when should it be used?

1014

Write a program to sort the number with different sorts in one program ??

2374

What does new return if there is insufficient memory to make your new object?

1039

What is unary operator? List out the different operators involved in the unary operator.

1007

Write about all the implicit member functions of a class?

1062

What is abstraction in oop?

1138

What is null pointer and void pointer?

1080

What exactly is polymorphism?

1132

What are issues if we mix new and free in C++?

792

How do I start a c++ project?

1082

write a code for this. serial_number contained in the header of the file will be read , if this serial number is less than a previous serial number within a successfully processed file, or is the same as another serial number within a successfully processed file, or if the field contains anything other than 7 digits, then the file must error with the reason ‘Invalid SERIAL_NUMBER’.

2278