The empty quotes make the Scanner chunk out the line one char at a time. At this point, the Scanner still returns a String, although the String contains only one character. To complete the use case, ...

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 ...

Use java.io package for output operations. 4. User Input: Use Java Console object, Scanner class, Swing JOptionPane, or System.in. 5. ... but they operate on characters instead of bytes.