Discussion
Home ‣ Interview ‣ Technology Comments
- Question
What do vectors represent?
Options- A. Static arrays
- B. Dynamic arrays
- C. Stack
- D. Queue
- Correct Answer
- Dynamic arrays
ExplanationVectors are sequence containers representing arrays that can change in size.
- 1. To which type of class, We can apply RTTI?
Options- A. Encapsulation
- B. Polymorphic
- C. Derived
- D. None of these Discuss
- 2. Which operator is used in catch-all handler?
Options- A. ellipses operator
- B. ternary operator
- C. string operator
- D. unary operator Discuss
- 3. What is meant by exception specification?
Options- A. A function is limited to throwing only a specified list of exceptions.
- B. A catch can catch all types of exceptions.
- C. A function can throw any type of exceptions.
- D. none of the mentioned Discuss
- 4. How many ways of reusing are there in class hierarchy?
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 5. What is an explicit constructor? Discuss
- 6. What is mandatory for designing a new container?
Options- A. Classes
- B. Iterators
- C. Container
- D. None of these Discuss
- 7. Explain one-definition rule (ODR). Discuss
- 8. What are the advantages of using friend classes? Discuss
- 9. .What are Stacks? Give an example where they are useful. Discuss
- 10. Exlpain STL. Discuss
Technology problems
Search Results
Correct Answer: Polymorphic
Explanation:
RTTI is available only for classes which are polymorphic, which means they have at least one virtual method.
Correct Answer: ellipses operator
Explanation:
The ellipses operator can be represented as (?).
Correct Answer: A function is limited to throwing only a specified list of exceptions.
Explanation:
C++ provides a mechanism to ensure that a given function is limited to throwing only a specified list of exceptions. It is called as exception specification.
Correct Answer: 2
Explanation:
Class hierarchies promote reuse in two ways. They are code sharing and interface sharing.
Correct Answer: A conversion constructor declared with the explicit keyword The compiler does not use an explicit constructor to implement an implied conversion of types It?s purpose is reserved explicitly for construction
Correct Answer: Iterators
Correct Answer: According to one-definition rule, C++ constructs must be identically defined in every compilation unit they are used in As per ODR, two definitions contained in different source files are called to be identically defined if they token-for-token identical The tokens should have same meaning in both source files Identically defined doesn?t mean character-by-character equivalence Two definitions can have different whitespace or comments and yet be identical
Correct Answer: - 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
Correct Answer: A Stack is a linear structure in which insertions and deletions are always made at one end ie the top - this is termed as last in, first out (LIFO) Stacks are useful when we need to check some syntex errors like missing parentheses
Correct Answer: STL stands for Standard Template Library It is a library of container templates approved by the ANSI committee for inclusion in the standard C++ specification
Comments
There are no comments.More in Interview:
Programming
Copyright ©CuriousTab. All rights reserved.