Listing 1

JTextArea txtArea = new JTextArea(5,15);
contentPane.add(txtArea);
SpringLayout.Constraints txtCst = 
	layout.getConstraints(txtArea);
txtCst.setX(Spring.constant(10));

txtCst.setY(Spring.sum(
Spring.constant(10),
Spring.max(
cancelCst.getConstraint("South"),
okCst.getConstraint("South"))));

pnlCst.setConstraint("East",Spring.sum(
Spring.constant(10),
txtCst.getConstraint("East")));	

pnlCst.setConstraint("South",Spring.sum(
Spring.constant(10),
txtCst.getConstraint("South")));