Your area is of type double, but you are multiplying PI and message (which is a String). There are two things you can do:
1. Change String message into double message, and instead of message =...
Type: Posts; User: vluong
Re: Scanner Class Confusion
Your area is of type double, but you are multiplying PI and message (which is a String). There are two things you can do:
1. Change String message into double message, and instead of message =...