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 ...

Java Scanner char input example. Interestingly, the Java Scanner char input is not supported through a defined method in the Scanner class. However, it is possible to have a Scanner input one char at ...

Using Java and the swing framework, provide example code for handling a text field with a single character input. Provide filters for the character inputs to restrict values to 1-9 and " ".