Consider this: a=Math.pow(b,c). Why can't I declare 'a' as integer? The program can run only when I change it to double.

Answer 1

That is because, Math.pow() function takes 2 arguments which are double and it also returns a double type value.
Well why is that?
Because if you try to do power of some number which has floating point value then int will not work.

Answer 2

Math.pow always returns a double, but you can explicitly cast it into an integer.
int a = (int) Math.pow(2.0, 3.3);
Of course you will lose all the decimals after the dot, if there were any, this is like floor rounding.

Answer 3

Yes exactly Tibor Santa
When you try to run without casting with an integer,
Warning message we get is : it can be lossy conversation

so they ask us to use double for it.

Answer 4

Coding Panda

Ouhhh now I get it. Thank you!

Answer 5

I see