code: @Override
  	protected void onInitializeLayout()
  	{
  		final GroupLayout groupLayout = new GroupLayout(this);
  		groupLayout.setHorizontalGroup(groupLayout.createParallelGroup(Alignment.LEADING)
  			.addGroup(groupLayout.createSequentialGroup().addContainerGap()
  				.addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
  					.addComponent(lpHostOrIpaddress, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE,
  						501, Short.MAX_VALUE)
  					.addComponent(lpNoProxy, Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, 501,
  						Short.MAX_VALUE)
  					.addComponent(lpUseSystemSettings, GroupLayout.PREFERRED_SIZE, 501,
  						GroupLayout.PREFERRED_SIZE))
  				.addContainerGap()));
  		groupLayout.setVerticalGroup(groupLayout.createParallelGroup(Alignment.LEADING)
  			.addGroup(groupLayout.createSequentialGroup().addContainerGap()
  				.addComponent(lpNoProxy, GroupLayout.PREFERRED_SIZE, 42, GroupLayout.PREFERRED_SIZE)
  				.addGap(18)
  				.addComponent(lpHostOrIpaddress, GroupLayout.DEFAULT_SIZE, 93, Short.MAX_VALUE)
  				.addGap(18).addComponent(lpUseSystemSettings, GroupLayout.PREFERRED_SIZE, 42,
  					GroupLayout.PREFERRED_SIZE)
  				.addGap(29)));
  		setLayout(groupLayout);
  	}
docs: Initialize layout.