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Technical Questions asked in HCL Technologies
Learn all about technical questions asked in HCL Technologies
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Which of the following is not an OOP languages?
C
C++
java
COOL
Answer & Explanation
Answer: Option A.
C is not an object oriented language
using in C++ is for
using does not exist in C++
used for library functions
using is a literal in C++
used for pointers
Answer & Explanation
Answer: Option B.
Note : it is also used often for namespaces.
Which statements are use to UNLOCK the user?
Alter user Scott account lock;
Modified user Scott account unlock;
Alter user Scott account unlock;
Alter user Scott unlock;
Answer & Explanation
Answer: Option C.
NULL is
the same as 0 for integer
the same as blank for character
the same as 0 for integer and blank for character
not a value
Answer & Explanation
Answer: Option D.
Drawbacks of file processing system
data redundancy
Limited data sharing
lack of security
all of the above
Answer & Explanation
Answer: Option D.
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Which of the following allows function overloading in C++?
type
number of arguments
both of above
none of these
Answer & Explanation
Answer: Option C.
Both type and number of arguments can be overloaded.
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