The so-called number of bytes occupied is the amount of space occupied when applying for memory.
long 8 bytes
The minimum value is -9,223,372,036,854,775,808 (-2^63);
The maximum value is 9,223,372,036,854,775,807 (2^63 -1 );
Bytes occupied by other types in java:
##byte 1 byte
The minimum value is -128 (-2^7); The maximum value is 127 (2^7-1);boolean At least 1 byte
This type is only used as a flag to record true/false situations;short 2 bytes
The minimum value is -32768 (-2^ 15); The maximum value is 32767 (2^15 - 1);char 2 bytes
The minimum value is\u0000 (i.e. is 0); The maximum value is \uffff (that is, 65,535);int 4 bytes
The minimum value is -2,147,483,648 (- 2^31); The maximum value is 2,147,483,647 (2^31 - 1);float 4 bytes
Single precision floating point number 32 bits long, mantissa length 23, exponent length 8, exponent offset 127;double 8 bytes
Double precision floating point number is 64 bits long, mantissa Length 52, exponent length 11, exponent offset 1023; Recommended tutorial:The above is the detailed content of How many bytes does the long type occupy in java?. For more information, please follow other related articles on the PHP Chinese website!
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