Answer:
I Think You Could Go To Settings And Change It
Explanation:
I Think This Helps
If you are on the admin account, you will already have them, but if you are on a different account, it's pretty impossible But you can get through by using command prompt.
Answer:
No i really don't but why would you want to delete your account
Answer:
The source code has been attached to this response. It contains comments explaining each line of the code. Kindly go through the comments.
To run this program, ensure that the file is saved as ArithmeticProcessor.java
Keep editing line 7 of the code to test for other inputs and arithmetic operation.
A sample output has also been attached to this response.