lightoncommand.java

来自「《深入浅出设计模式》的完整源代码」· Java 代码 · 共 11 行

package testcommand;
//开灯命令：
public class LightOnCommand implements Command {
  private Light myLight;
  public LightOnCommand (Light L) {
    myLight = L;
  }
  public void execute() {
    myLight.turnOn();
  }
}