Technical Questions asked in HCL Technologies

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Which of the following is not an OOP languages?
1. C
2. C++
3. java
4. COOL
Answer: Option A.
C is not an object oriented language

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using in C++ is for
1. using does not exist in C++
2. used for library functions
3. using is a literal in C++
4. used for pointers
Answer: Option B.
Note : it is also used often for namespaces.
Which statements are use to UNLOCK the user?
1. Alter user Scott account lock;
2. Modified user Scott account unlock;
3. Alter user Scott account unlock;
4. Alter user Scott unlock;
Answer: Option C.

NULL is
1. the same as 0 for integer
2. the same as blank for character
3. the same as 0 for integer and blank for character
4. not a value
Answer: Option D.
Drawbacks of file processing system
1. data redundancy
2. Limited data sharing
3. lack of security
4. all of the above
Answer: Option D.
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Which of the following allows function overloading in C++?
1. type
2. number of arguments
3. both of above
4. none of these
Answer: Option C.
Both type and number of arguments can be overloaded.

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