To complete the use case, you must convert this one-character String into a single Java char with the charAt(0) method. Notice that the code has a check for the newline character, as this will be ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java printf function helps simplify the task of printing formatted output to the console, ...

Works great, except I have to edit the source file to change the input because I could never get ... character inputs to restrict values to 1-9 and " ". Certainly! You can use a JTextField in ...