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- Question
What is the Standard Template Library?
- Correct Answer
- A library of container templates approved by the ANSI committee for inclusion in the standard C++ specification A programmer who then launches into a discussion of the generic programming model, iterators, allocators, algorithms, and such, has a higher than average understanding of the new technology that STL brings to C++ programming
- 1. In which of the following we cannot overload the function?
Options- A. return function
- B. caller
- C. called function
- D. none of the mentioned Discuss
- 2. Which of the following type of data member can be shared by all instances of its class?
Options- A. Public
- B. Inherited
- C. Static
- D. None Discuss
- 3. How do you check the syntax of a JCL without running it? Discuss
- 4. How will you call the return code of JCL ? Discuss
- 5. What is the use of SYSPRINT, SYSIN, DUMMY in JCL ? Discuss
- 6. Which is also called as abstract class?
Options- A. virtual function
- B. pure virtual function
- C. derived class
- D. None of these Discuss
- 7. What will happen when an exception is not processed?
Options- A. It will eat up lot of memory and program size
- B. Terminate the program
- C. Crash the compiler
- D. None of the mentioned Discuss
- 8. Pick out the correct method in the c++ standard library algorithm.
Options- A. mismatch
- B. maximum
- C. minimum
- D. None of these Discuss
- 9. What is meant by heap?
Options- A. Used for fast reterival of elements
- B. Used for organising the elements
- C. Both a & b
- D. None of the mentioned Discuss
- 10. What are static and dynamic type checking? Discuss
Technology problems
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Correct Answer: return function
Explanation:
While overloading the return function, it will rise a error, So we can?t overload the return function.
Correct Answer: Static
Explanation:
Static members are shared by all the instances of the class
Correct Answer: TYPERUN=SCAN on the JOB card or use JSCAN TYPERUN=HOLD on the job card it is used for syntatical checks and direct job to spool and hold it
Correct Answer: Return Code in JCL can b obtained by the use of COND paramaterit is used to know the return codes of previous steps
Correct Answer: SYSPRINT: All system output will appear under this DD card Suppose you are copying a VSAM file using IDCAMS Then, number of records processed, highest condition code etc will appear under sysprint You cannot customise SYSPRINT output SYSIN: This is nothing but SYStem INstruction Suppose, you want to sort a file on certain key You have to have following command under SYSIN SORT FIELDS = (starting-col,length,data-type,A/D) SUM FIELDS = NONE DUMMY: Mainly used where user is intended to simulate a program without creating an output file
Correct Answer: pure virtual function
Explanation:
Classes that contain at least one pure virtual function are called as abstract base classes.
Correct Answer: It will eat up lot of memory and program size
Explanation:
As in the case of not using an exception, it will remain useless in the program and increase the code complexity.
Correct Answer: mismatch
Explanation:
It is a method in the search opertion in standard library algorithms.
Correct Answer: Both a & b
Explanation:
A heap is a way to organize the elements of a range that allows for fast retrieval of the element.
Correct Answer: Type checking is the operation on which the arguments that can only be applied for Static type checking performs the type checking operation before the execution of the program To perform this operation, the arguments, expressions, variables must be given a data type Dynamic type checking performs the type checking operation at the time of the program execution To perform this operation, the arguments, expressions, variables must be given a data type
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