Java uses an object called a Scanner to process program input. Program input can be things users type or data read in from a file. Scanner objects start at the beginning of input and move forward, ...

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 ...

showConfirmDialog(); showMessageDialog(); and showOptionDialog(). JOptionPane import and methods. For example, the following Java class uses JOptionPane’s showInputDialog() method to prompt for user ...