How do I use JFormattedTextField to format user input?

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The JFormattedTextField allows us to create a text field that can accept a formatted input. In this example we create two formatted text fields that accept a valid phone number and date.

Here are some other characters that can be used in the MaskFormatter class.

#For number
?For letter
AFor number or letter
*For anything
LFor letter, it will be converted to the equivalent lower case
UFor letter, it will be converted to the equivalent upper case
HFor hexa decimal value
To escape another mask character