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Akash G.
Computer Science Master student at IIT Chicago
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SQL Programming
TutorMe
Question:

Is a NULL value same as zero or a blank space? If not then what is the difference?

Akash G.
Answer:

A NULL value is not same as zero or a blank space. A NULL value is a value which is ‘unavailable, unassigned, unknown or not applicable’. Whereas, zero is a number and blank space is a character.

C++ Programming
TutorMe
Question:

what is the use of constructor in c++?

Akash G.
Answer:

The use of constructors comes when we have to initialise the members of an object, as soon as the object is created

C Programming
TutorMe
Question:

what is void in C language?

Akash G.
Answer:

Void is an empty data type that has no value. We use void data type in functions when we don’t want to return any value to the calling function.

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