Primitive Types

Question 1

data types

Answer 1

int - 32 bit (signed) holds 2 (pow 31) - 1
char - 16 bits ( UTF -16) 8 bits ( UTF-8)
byte - 8 bits ( signed)
short - 16 bits ( signed)
long - 64 bits ( 2 pow

Question 2

decimal precision

Answer 2

to print 6 precision:

System.out.printf(“%.6f %n”, v);