how to increase JFrame size according to number of JPanel(table) rows in swing

Question

I have swing application which does following:

public void init() {
    jFrame = new JFrame();
...
    jFrame.add(sortingDataInputComponent.asComponent()); 
...
         


        

Answer 1

Implement the Scrollable interface in the component to which you add rows and override getPreferredScrollableViewportSize() as shown here for JTable and here for JList. Invoking pack() on the enclosing Window will cause it to be "sized to fit the preferred size and layouts of its subcomponents."