Bug 16554 "Reconcile Java views" preference is meaningless
"Window->Preferences->Java->Reconcile Java views" I don't think anyone will know what this preference does. It should be given a more meaningful title.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaBasePreferencePage.java
setValid(!status.matches(IStatus.ERROR));
		StatusUtil.applyToStatusLine(this, status);
	}		
	
	private void controlChanged(Widget widget) {
	}
	
	private void controlModified(Widget widget) {
	}	
	
	/*
	 * @see PreferencePage#performDefaults()
	 */
	protected void performDefaults() {
		IPreferenceStore store= getPreferenceStore();
		for (int i= 0; i < fCheckBoxes.size(); i++) {
			Button button= (Button) fCheckBoxes.get(i);
			String key= (String) button.getData();
			button.setSelection(store.getDefaultBoolean(key));
		}
		for (int i= 0; i < fRadioButtons.size(); i++) {
			Button button= (Button) fRadioButtons.get(i);
			String[] info= (String[]) button.getData();
			button.setSelection(info[1].equals(store.getDefaultString(info[0])));
		}
		for (int i= 0; i < fTextControls.size(); i++) {
			Text text= (Text) fTextControls.get(i);
			String key= (String) text.getData();
			text.setText(store.getDefaultString(key));
		}