help me to do this.need to knwo how it can solve?

Question

How many times a man has to double grains of rice to obtain more than one million grains of rice if he start with one grain of rice.
write a java program to solve it

Answer 1

Don't think of rice, think of numbers..
Just take 1...
Double it to 2...
Double it to 4...
Keep going until > 1million.
It's a simple for loop.

Answer 2

Use google

Answer 3

finaly found a way😄😄

Answer 4

thanks for the helping me