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C ++ Study Notes (1) -- size of data types and Study Notes

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C ++ Study Notes (1) -- size of data types and Study Notes

Boolean Bool 1 byte  
Character Char 1 byte May be signed or unsigned
  Wchar_t 1 byte  
  Char16_t 2 bytes C ++ 11 type
  Char32_t 4 bytes C ++ 11 type
Integer Short 2 bytes  
  Int 2 bytes  
  Long 4 bytes  
  Long 8 bytes C99/C ++ 11 type
Floating point Float 4 bytes  
  Double 8 bytes  
  Long double 8 bytes

 

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