variable types

byte b = 5; / / 8bits  -128 to 127

short s = 128 //16bits    -32768 to 32767

int i = 40000; //32bits   -2147483648 to 2,147,483,647

long i = 2222222222; //64bit

 

float f = 4.0f; //32bit

double d = 67.0 //64bit

char c = 'A' //16bit 

boolean isTrue = false;