Java

Question

In java
How to write program to round off decimal(Float , double) to nearest int value,
Without using any method
Anybody have idea plz tell me

Answer 1

Math.round -> round to nearest value.
eg- 5.3 to 5.0 and 5.7 to 6.0
Math.floor -> round to nearest lower limit.
eg- 5.6 to 5.0
Math.ceil -> round to nearest upper limit.
eg- 5.2 to 6.0

Answer 2

To understand what you need more, Can you share your try?
Edit:
double a=3.45;
a=a-a%1; //floor
a=(a-a%1)+1; //ceil

Answer 3

Put some efforts first. Share your code here and we will help you out in solving the errors.
Hint: try type casting.

Answer 4

i had put i solved using
type casting
then Math.round
nd then Math.floor
i jus want differentiation

Answer 5

"Without using any method" so you can't use Math functions
(type casting) is good way, +1 if dec%1>=0.5
then solve negative sign for -2.55 -> -3.0

Answer 6

thnq