Swing JPasswordField

In this tutorial you will learn about the Swing JPasswordField and its application with practical example.

Swing JPasswordField

JPasawordField is a subclass of JTextField . It’s a lightweight single line component which allows users for editing where the view indicates something was typed , but does not show the original character.

JPasswordField Class Declaration

JPasswordField Constructor

Some important and usable constructor summary listed below.

JPasswordField(): This constructor is used to construct a new Password Field.

JPasswordField(Document doc, String text, int columns): This constructor is used to construct a Password Field that uses the given text storage model and the given number of columns.

JPasswordField(int columns): This constructor is used to construct an empty Password Field with specific number of columns.

JPasswordField(String text): This constructor is used to construct a Password field with given string.

JPasswordField(String text, int columns): This constructor is used to construct a Password field with given string and columns.

JPasswordField Method

Some of Useable and important method are listed below.

char[] getPassword(): This method is used to return text of this component.

String getText(): This method is Deprecated , used to get Text of this component.

AccessibleContext getAccessibleContext(): This method returns AccessibleContext which is associated with this JPasswordField.

protected String paramString(): This method returns a string representation of this JTextField.

Example :-

In the below example I have used simple password field so that we can easily understand what does it mean.

Output :-

Just copy this code or run it, you will get your result like above image.

Recommended:-  Swing JLabel

image001

In this tutorial we have learn about the Swing JPasswordField and its application with practical example. I hope you will like this tutorial.