At this point, the Scanner still returns a String, although the String contains only one character. To complete the use case, you must convert this one-character String into a single Java char with ...

Character.getNumericValue(aChar) will let me convert a char into an int. I want to know how I can reverse the process and get a char from an integer? Thanks.

A few years ago I wrote a Soduko solver in Java. Works great, except I have to edit the source file to change the input because I could never get Swing to work like my mental model said it should.

The Java printf function helps simplify the task of printing formatted output to the console, terminal window or log files. The Java printf function makes it easier to create informative strings of ...