Java Output

Question

Hi im A learner wants to learn and take notes on challenge questions can you guys explain to me what happens to this code?need a clearer insight.tnx in advance😀

https://code.sololearn.com/cpVH2nmm98Ob/?ref=app

Answer 1

Math.ceil rounds a float to the nearest highest integer but it returns a double so in this case PI... is rounded to 4.0000000... Then the formatting 2.4f means we should have 4 decimal places so: 4.0000... If I had 2.6f then 6 decimal places and so on...

Answer 2

Thanks!