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

Question

Is there any way to accept only numeric values in a JTextField? Is there any special method for this?

Answer 1

write this code into key typed

char c=evt.getKeyChar();
if(!(Character.isDigit(c) || (c==KeyEvent.VK_BACK_SPACE || c==KeyEvent.VK_DELETE)))
{
    getToolkit().beep();
    evt.consume();
}