Interview Questions

Default constructors has no arguments

You might initially think that if you haven’t done a degree in finance or economics you haven’t got very much to offer an investment bank, but you’d be wrong. Any numerate discipline will have given you a mathematical toolkit that will come in useful in technical banking work, and any good degree proves that you’re intelligent, hardworking, and effective under pressure. Extra-curricular activities may have given you a wealth of other skills that are valuable at an investment bank, such as being able to juggle a number of commitments and work with others.

- Friend classes are useful when a class wants to hide features from users which are needed only by another, tightly coupled class. 

- Implementation details can be kept safe by providing friend status to a tightly cohesive class.

EVALUATE can be used in place of the nested IF THEN ELSE statements.

There are many ways to find second highest salary of Employee in SQL, you can either use SQL Join or Subquery to solve this problem. Here is SQL query using Subquery :

SELECT MAX(Salary) from Employee WHERE Salary NOT IN (select MAX(Salary) FROM Employee );

i.) Const - This variable means that if the memory is initialised once, it should not be altered by a program. 

ii.) Volatile - This variable means that the value in the memory location can be altered even though nothing in the program code modifies the contents. 

iii.) Mutable - This variable means that a particular member of a structure or class can be altered even if a particular structure variable, class, or class member function is constant.