
Long vs Integer, long vs int, what to use and when?
2011年5月2日 · Java.util.collections methods usually use the boxed (Object-wrapped) versions, because they need to work for any Object, and a primitive type, like int or long, is not an …
c - What kind of data type is "long long"? - Stack Overflow
2010年1月24日 · According to C99 standard, long long is an integer type which is at least 64-bit wide. There are two integer 64-bit types specified: long long int and unsigned long long int. So, …
What is the difference between "long", "long long", "long int", and ...
2013年9月24日 · Hence long on its own is neither a type nor a modifier as your question posits, it's simply a specifier for the long int type. Ditto for long long being a specifier for the long long …
c++ - What's the 'long' data type used for? - Stack Overflow
I noticed stuff called "long int" or even "long long"! Is it a data type or a modifier? long int is the same as long (just as short int is the same as short). long long is a distinct data type …
types - long long in C/C++ - Stack Overflow
The letters 100000000000 make up a literal integer constant, but the value is too large for the type int. You need to use a suffix to change the type of the literal, i.e. long long num3 = …
c++ - what is long long type? - Stack Overflow
2011年6月15日 · In most platforms, a long long represents a 64-bit signed integer type. You could use long long to store the 8-byte value safely in most conventional platforms, but it's better to …
python - Difference between int() and long() - Stack Overflow
2017年11月12日 · long forces the result to a long int (extended precision), regardless of the magnitude. So int(1) and long(1) aren't the same. In Python 3, the distinction is more internal, …
How does Python manage int and long? - Stack Overflow
The Max value of the default Int in Python 2 is 65535, anything above that will be a long. For example: >> print type(65535) <type 'int'> >>> print type(65536*65536) <type 'long'> In Python …
Data type `long` in C programming - Stack Overflow
2014年4月14日 · The type of an unsuffixed integer constant like 131071100 is the first of int, long int, and long long int in which its value can be represented. The value of 131071100 is always …
Difference between long and int data types - Stack Overflow
2009年5月23日 · The long must be at least the same size as an int, and possibly, but not necessarily, longer. On common 32-bit systems, both int and long are 4-bytes/32-bits, and this …