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Java JTextField

The object of a JTextField class is a text component that allows the editing of a single line text. It inherits JTextComponent class.

JTextField class declaration

Let's see the declaration for javax.swing.JTextField class.

Commonly used Constructors:

Constructor Description
JTextField() Creates a new TextField
JTextField(String text) Creates a new TextField initialized with the specified text.
JTextField(String text, int columns) Creates a new TextField initialized with the specified text and columns.
JTextField(int columns) Creates a new empty TextField with the specified number of columns.

Commonly used Methods:

Methods Description
void addActionListener(ActionListener l) It is used to add the specified action listener to receive action events from this textfield.
Action getAction() It returns the currently set Action for this ActionEvent source, or null if no Action is set.
void setFont(Font f) It is used to set the current font.
void removeActionListener(ActionListener l) It is used to remove the specified action listener so that it no longer receives action events from this textfield.

Java JTextField Example


JAVA Jtextfield 1

Java JTextField Example with ActionListener


JAVA Jtextfield 2
Next TopicJava JTextArea

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