focused component reference

Question

I am working on a simple java swing based application. How would I get and set the text of the currently focused textfield/textarea of a form?

I know how to determine

Answer 1

Yes:

Component focusOwner = ...
if(focusOwner instanceof JTextComponent) { // a textfield or textarea is focused
    JTextComponent textComp = (JTextComponent) focusOwner;
    String s = textComp.getText();
}