Java Output

Question

Hi im A learner wants to learn and take notes on challenge questions guess at least 5 a day if its okay to you guys can you guys explain to me what happens to this code?need a clearer insight.tnx in advance😀
i actually expected 100 is the answer because i is not initialized with a value

https://code.sololearn.com/c2BL7cwqTsED/?ref=app

Answer 1

inValue() returns the int's value. The double takes the int's value on line 6 and turns it into a double.

Answer 2

At line 7 (the print statement) the two values are being added together thats why its 200 not 100

Answer 3

tnx,but i guess i need more info what does intValue() method does?

Answer 4

its downcasted right?

Answer 5

yup

Answer 6

thank you!noted📖📃