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- Question
Why is it expensive to use objects for exception?
Options- A. Exception object is created only if an error actually happens
- B. Because of execution time
- C. Memory space involved in creating an exception object
- D. None of the mentioned
- Correct Answer
- Exception object is created only if an error actually happens
ExplanationIf an error occurs in program, then only exception object is created otherwise, It will not be created. So it?s expensive to use in the program.
- 1. What are the operators available in dynamic memory allocation?
Options- A. new
- B. delete
- C. compare
- D. both a & b Discuss
- 2. Where does the exception are handled?
Options- A. inside the program
- B. outside the regular code
- C. both a & b
- D. none of these Discuss
- 3. Where does the exceptions are used?
Options- A. Exceptions are used when postconditions of a function cannot be satisfied.
- B. Exceptions are used when postconditions of a function can be satisfied.
- C. To preserve the program
- D. none of these Discuss
- 4. How many kinds of entities are directly parameterized in c++?
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 5. What is meant by template specialization?
Options- A. It will have certain data types to be fixed.
- B. It will make certain data types to be dynamic.
- C. Certain data types are invalid
- D. None of the mentioned Discuss
- 6. Where does the standard exception classes are grouped?
Options- A. namespace std
- B. error
- C. catch
- D. none of these Discuss
- 7. What will happen when introduce the interface of classes in a run-time polymorphic hierarchy?
Options- A. Separation of interface from implementation
- B. Merging of interface from implementation
- C. Separation of interface from debugging
- D. None of the mentioned Discuss
- 8. What of the following describes protected access specifier?
Options- A. The variable is visible only outside inside the block
- B. The variable is visible everywhere
- C. The variable is visible to its block and to it?s derived class
- D. None of these Discuss
- 9. What is the Run-Time Type Information?
Options- A. Information about an object?s datatype at runtime
- B. Information about the variables
- C. Information about the given block
- D. None of these Discuss
- 10. Which is best for coding the standard libary for c++?
Options- A. no trailing underscores on names
- B. complex objects are returned by value
- C. have a member-swap()
- D. All of the mentioned Discuss
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Search Results
Correct Answer: both a & b
Explanation:
new and delete operators are mainly used to allocate and deallocate
during runtime.
Correct Answer: outside the regular code
Correct Answer: Exceptions are used when postconditions of a function can be satisfied.
Correct Answer: 3
Explanation:
C++ allows us to parameterize directly three kinds of entities through templates: types, constants, and templates.
Correct Answer: It will have certain data types to be fixed.
Explanation:
In the template specialization, it will make the template to be specific for some data types.
Correct Answer: namespace std
Explanation:
:As these are standard exceptions, they need to be defined in the standard block, So it is defined under namespace std.
Correct Answer: Separation of interface from implementation
Correct Answer: The variable is visible to its block and to it?s derived class
Correct Answer: Information about an object?s datatype at runtime
Explanation:
With the help of RTTI, We can get the information about the data type at the runtime.
Correct Answer: All of the mentioned
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