"Unity Basics ④" data type, memory size, data range, and integer type

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" Data type "

The size of each data opening memory is determined by the maximum value of the data type.

C # source is stored on disk, data type is stored in memory

1, numeric value (shaping: int, long; non-shaping: float, double)

2, non-numeric (char, String)

" range of data "

BOOL Boolean True or false True/false

SByte eight-bit signed integer -128~127

BYTE eight-bit unsigned integer 0~255

Short 16-bit unsigned integer 0~65535

int 32-bit signed integer -214783648~214783647

Unit 32-bit unsigned integer 0~4294967295

Long 64-bit signed integer -9223372036854775808~9223372036854775807

ULONG 64 is an unsigned integer 0~18446744073709551615

Char 16-bit character type all Unicode encoded characters

Float 32 single-precision floating -point type approx. seven valid decimal digits

Double 64-bit dual-precision floating-point type approximately 15~16 a valid decimal number

Decimal 128-bit high-precision decimal number type approximately 28~29 valid decimal digits

" integer value "

Types with int, uint, long, ulong

+//This is an int type

32L//This is a long type

Add u or u in the back to represent unsigned integers

128U//This is a UINT type

128UL//This is a ulong type

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"Unity Basics ④" data type, memory size, data range, and integer type