Basic calculator problem is not working in java

[naman19179 (Naman Aggarwal)]

Coding Blocks IDE

[sanchit.bansal06 (Sanchit Bansal)]

@naman19179,
I have corrected your code https://ide.codingblocks.com/s/164887.
Mistakes:

1. Using string instead of char.
2. Put scanner class outside the while(true)