Heuristic: Composite Simpler Than the Sum of Its Parts

• hides enough information

moneyEditor.getAmountField().setText(String.valueOf(money.amount());

moneyEditor.getCurrencyField().setText(money.currencyCode());

moneyEditor.setAmountField(money.amount());

moneyEditor.setCurrencyField(money.currencyCode());

moneyEditor.setValue(money);

(src: Book: Growing Object Oriented Software, Guided By Tests - Steve Freeman & Nat Pryce)