What is Software Re-usability Explain in the context of with an example.

Define visibility of a class member. Why are different types of visibility modes needed in derivation of a derived class?

Explain streams and stream classes with an example.

List the operators that cannot be overloaded. Give reasons for any two of these explaining why they cannot be overloaded.

Explain file pointers and operations. Write a program which demonstrates the use of put( and read( -write(

Differentiate between information hiding and encapsulation.

What do you mean by global variable and, local variable in Distinguish with an example.

Write a program to demonstrate break and continue statement.

Write a program which explains user-defined stream manipulators.

Distinguish between class templates and function templates, through an example.

Write an interactive program which reads two integer numbers x and and an operator. It then performs the following operations

x+y

X

x y

x/y

If any other operator is entered, the program prints out an error message.

What are base and derived classes? Create a base class called Stack and a derived class called Mystack. Write an interactive program to show the operations of a stack.

Define Polymorphism. Explain various types of polymorphism with examples.

Write a program which explains the usage of Try, Throw and Catch.

Write a program for finding the difference between two times that are given in 24 hour format.So

"19:00:00" while
"09:00:00" -"13:30:00" ="19:30:00".