jtextfield - w3toppers.com

Is there any way to accept only numeric values in a JTextField?

As this question re-appears quite often, I put some more effort in this answer then I would usually do. My vote goes to the JFormattedTextField. IMO each Swing developer should have an improved version of that class in his/her toolkit as it allows to validate almost anything you can think of by the correct choice … Read more

Explain the code to create a textfield using java [closed]

In CreateNewJTextField: this.getContentPane().setLayout(new FlowLayout()); This create a Pane and sets a default layout. Pane is like a piece of paper on which you draw. JTextField field3 = new JTextField(10); add(field3); This creates a text field and adds it to that pane. In createAndShowGUI, you are adding this pane to a JFrame(the frame with minimize, close … Read more