JTextField Properties (Java)

The following are some commonly used properties of JTextField, like defining , setting size, pressing key , changing text color etc...

Code

Defining JTextField:

     // JTextField Defining

      JTextField txtInput = new JTextField();

                     

Setting JTextField size: 

    // Setting Size Of JTextField Explicitly

      txtInput.setPreferredSize(new Dimension(100, 50));

              

Enter KeyPressed On JTextField:

    /* If user pressed key on JTextField after writing something"

       If you want to use any object inside anonymous inner class then

       you have to declare it "final"*/

 

     final JTextField txtInput = new JTextField();

     

      txtInput.addKeyListener(new KeyAdapter() {

                          

           public void keyPressed(KeyEvent ke) {

                                 

                 if ( ke.getKeyCode() == KeyEvent.VK_ENTER) {

                                        

                        JOptionPane.showMessageDialog(null, txtInput.getText());

                 }

           }

      });

             

Changing JTextField FontStyle:       

     // Changing Font Style, Making It Italic and specifying font size

     txtInput.setFont(new Font("Comic Sans",Font.ITALIC,14));

Changing JTextField text color:                    

     

    // Changing JTextField Text color

     txtInput.setForeground(Color.BLUE);

Getting Text from JTextField:

    // Getting text from JtextField

     String getText = txtInput.getText();

Setting Text to JTextField: 

   // Setting Text to JTextField

     txtInput.setText("Hello World!!!");