package whales;

// The following is analogous to an ML "open ModuleName" declaration:
// it allows you to refer to names in a package without prefixing them
// with the fully qualified name.
import whales.baleen.*;

public class KillerWhale {
    // This method's signature is illegal, because StealthyWhale has
    // package visibility to whales.baleen.
    public void eat(StealthyWhale sw) { System.out.println("Drat! Foiled!"); }

    // This method's signature is legal, but its implementation...
    public void eat(HumpbackWhale hw) {
        // ... calls the package-visibility method greet(), which is illegal.
        hw.greet();
        System.out.println("Drat! Foiled again!");
    }
}