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What is C++ Data Types and Sizes Explained about?

Integer data types are required to be at least 16-bit but are commonly 4 bytes on 64-bit systems. Floating point numbers like float use 4 bytes of storage while double uses 8 bytes. Characters stored in char variables only take up 1 byte. The sizes of common variable types like int, float, char, and double were determined using the size of operator in C++ to be 4 bytes for int, 4 bytes for float, 8 bytes for double, and 1 byte for char.

Author

Hasan Khan

Language

EN