Validating text field

By default, the horizontal text alignment follows the natural alignment of the text, for example text that is read from left to right will be aligned to the left.The possible alignment values are: Sets an input mask on the Text Field, restricting the allowable text inputs.Typically, when you are validating user input in Java, you will want to check for both null and empty string values.To check String objects for equality, you must use the .equals() method (not the == operator).By default, the Text field type accepts any characters.

Using Custom validation, you could enforce just about any data definition you can think of, such as a bank routing number, a single digit, a US currency value, a time value in 24-hour format, password criteria, or a valid credit card number. @#$%]) restrict passwords to a length of 8 to 20 alphanumeric characters and select special characters.

Of course, you can replace the validation action to whatever you need.


  1. Pingback:

  2. eric   •  

    Because sitting at home alone every night is no fun when you could be a member of Sex looking to get laid!

  3. eric   •  

  4. eric   •  

    But when the perpetrators start to reveal barbaric tendencies of an inhuman nature, Wells is forced to enlist the help of a powerful and alluring female assassin to track them.

  5. eric   •  

    If you haven't yet taken the time out to holiday in Northern Ireland, you are missing out!

  6. eric   •  

    The only means available to recover is to hold the power button down until the Mac powers off and then restart it.

  7. eric   •  

    And not to worry, we’ll make it as easy as possible.

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>