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INTERVIEW QUESTIONS C++ VARIABLES IN C++ DETAILS
Question :
How do you decide which integer type to use?
Category Variables in C++ Interview Questions
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Added on 9/16/2014
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Answers:

Source: CoolInterview.com

It depends on our requirement. When we are required an integer to be stored in 1 byte (means less than or equal to 255) we use short int, for 2 bytes we use int, for 8 bytes we use long int.

A char is for 1-byte integers, a short is for 2-byte integers, an int is generally a 2-byte or 4-byte integer (though not necessarily), a long is a 4-byte integer, and a long long is a 8-byte integer.
Source: CoolInterview.com



Source: CoolInterview.com

It depends on our requirement. When we are required an integer to be stored in 1 byte (means less than or equal to 255) we use short int, for 2 bytes we use int, for 8 bytes we use long int.
Source: CoolInterview.com



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