/**
* In this example we pass a Supplier instance via lambda expression to displayCurrencyCode method,
* beside use of lambda this example also shows how we can separate concerns via Supplier pattern.
* In real application, we want to keep displaying/renderer and retrieving currency code logic
* separated.
*/
public class SupplierExample {
public static void main (String[] args) {
displayCurrencyCode(() -> Currency.getInstance(Locale.CHINA)
.getCurrencyCode());
}
public static void displayCurrencyCode (Supplier<String> currencyCodeSupplier) {
System.out.println(currencyCodeSupplier.get());
}
}
