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 program passes the text String to the Scanner’s Java constructor, and then changes the delimiter to a comma. Interestingly, the Java Scanner char input is not supported through a defined method in ...

The Java printf function makes it easier to create informative strings of text without using String concatenation, or relying on non-standard characters that might trigger output errors. The easiest ...