how to write the code can go back to the beginning? java calculator..plz help!

Question

I was making a calculator but I could not figure out how to write the code that can exit to the menu..
I need your help guys..
also, how to show the result..

here is my code so far and my scenario also in this link.
https://code.sololearn.com/cWCGrtbzH4tf

Answer 1

Not working at the code playground, but simply add a while loop around your code in the main method - this is a quick and dirty approach ^^
Better approach: Search about the state machine pattern on Google, it will help you.