oncommand.java

来自「java与模式（阎宏）代码」· Java 代码 · 共 16 行

package com.javapatterns.command.television;

public class OnCommand implements Command
{
	private Tv myTv;

	public OnCommand (Tv tv)
    {
		myTv = tv;
	}
	public void execute( )
    {
		myTv.turnOn();
	}
}