Today I miss my java class due to I got sick. But my friends thought me my missed class. Two of my friends helped me. Today class was full of Data Types Data Type consist of int, byte, long, double, float, short, string, char, boolean
Also we thought with binary and decimal number. I have doubt on that topic but friends figure it out.
| Type Name | Bytes | Other Names | Range of Values |
|---|---|---|---|
int | 4 | signed | -2,147,483,648 to 2,147,483,647 |
unsigned int | 4 | unsigned | 0 to 4,294,967,295 |
__int8 | 1 | char | -128 to 127 |
unsigned __int8 | 1 | unsigned char | 0 to 255 |
__int16 | 2 | short, short int, signed short int | -32,768 to 32,767 |
unsigned __int16 | 2 | unsigned short, unsigned short int | 0 to 65,535 |
__int32 | 4 | signed, signed int, int | -2,147,483,648 to 2,147,483,647 |
unsigned __int32 | 4 | unsigned, unsigned int | 0 to 4,294,967,295 |
__int64 | 8 | long long, signed long long | -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 |
unsigned __int64 | 8 | unsigned long long | 0 to 18,446,744,073,709,551,615 |
bool | 1 | none | false or true |
char | 1 | none | -128 to 127 by default 0 to 255 when compiled by using /J |
signed char | 1 | none | -128 to 127 |
unsigned char | 1 | none | 0 to 255 |
short | 2 | short int, signed short int | -32,768 to 32,767 |
unsigned short | 2 | unsigned short int | 0 to 65,535 |
long | 4 | long int, signed long int | -2,147,483,648 to 2,147,483,647 |
unsigned long | 4 | unsigned long int | 0 to 4,294,967,295 |
long long | 8 | none (but equivalent to __int64) | -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 |
unsigned long long | 8 | none (but equivalent to unsigned __int64) | 0 to 18,446,744,073,709,551,615 |
enum | varies | none | |
float | 4 | none | 3.4E +/- 38 (7 digits) |
double | 8 | none | 1.7E +/- 308 (15 digits) |
long double | same as double | none | Same as double |
wchar_t | 2 | __wchar_t | 0 to 65,535 |
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