mallardduck.java

来自「深入浅出设计模式」· Java 代码 · 共 12 行

package headfirst.adapter.ducks;

public class MallardDuck implements Duck {
	public void quack() {
		System.out.println("Quack");
	}
 
	public void fly() {
		System.out.println("I'm flying");
	}
}