មេរៀន Java ជាភាសារខ្មែរ ភាគទី ២ | Floating-point number float and double

1. Datatype Datatype C++ char, short, int, long, float, double, long double Datatype
Java ៤ក្រុម
- Integer number : Datatype byte, short, int, long ។
- Floating-point number : Datatype float, double ។
- Character : Datatype char - Boolean : Datatype true false boolean ។

1.1. Integer number Datatype Size Range byte 1 byte - 128 to 127 short 2 bytes
- 215 to 215 -1 int 4 bytes - 231 to 231 -1 long 8 bytes
- 263 to 263 -1 1.2. Floating-point number Datatype Size Range
float 4 bytes 3.4e-38 to 3.4e+38
double 8 bytes 1.7e-308 to 1.7e+308


រៀន Java ជាភាសារខ្មែរ ភាគទី ២ | Floating-point number float and double

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