stereo.java

来自「深入浅出设计模式」· Java 代码 · 共 36 行

package headfirst.command.party;

public class Stereo {
	String location;

	public Stereo(String location) {
		this.location = location;
	}

	public void on() {
		System.out.println(location + " stereo is on");
	}

	public void off() {
		System.out.println(location + " stereo is off");
	}

	public void setCD() {
		System.out.println(location + " stereo is set for CD input");
	}

	public void setDVD() {
		System.out.println(location + " stereo is set for DVD input");
	}

	public void setRadio() {
		System.out.println(location + " stereo is set for Radio");
	}

	public void setVolume(int volume) {
		// code to set the volume
		// valid range: 1-11 (after all 11 is better than 10, right?)
		System.out.println(location + " Stereo volume set to " + volume);
	}
}