airplane.java

来自「常用的JAVA程序」· Java 代码 · 共 11 行

public class Airplane implements Flyer{
	public void takeoff()
	{System.out.println("airplane takeoff");}
	public void land()
	{System.out.println("airplane land");}
	public void  fly()
	{System.out.println("airplane fly");}

}