Read the error message. It clearly says "Input Mismatch", so there is something wrong with the way you retrieve input from the user.
Further down it tells us you use:
java.util.Scanner.nextInt()...
Type: Posts; User: Cornix
Read the error message. It clearly says "Input Mismatch", so there is something wrong with the way you retrieve input from the user.
Further down it tells us you use:
java.util.Scanner.nextInt()...