package?com.day1.demo;

public?class?App?{
	public?static?void?main（String[]?args）?{
		//創建鼠標對象?
		Mouse?mouse?=?new?Mouse（）;
		//創建主板對象?
		Motherboard?motherboard?=?new?Motherboard（）;?
		//把鼠標安裝到主板上?
		motherboard.install（mouse）;
		//創建鍵盤對象?
		KeyBoard?keyBoard?=?new?KeyBoard（）;
		//把鍵盤安裝到主板上?
		motherboard.install（keyBoard）;
		//創建打印機對象
		Printer?p?=?new?Printer（）;
		//把打印機安裝到主板上
		motherboard.install（p）;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-14?08:59??base\
?????文件?????????301??2017-12-14?08:59??base\.classpath
?????文件?????????380??2017-12-14?08:59??base\.project
?????目錄???????????0??2017-12-14?08:59??base\.settings\
?????文件?????????598??2017-12-14?08:59??base\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2017-12-14?09:04??base\bin\
?????目錄???????????0??2017-12-14?09:04??base\bin\com\
?????目錄???????????0??2017-12-14?09:04??base\bin\com\day1\
?????目錄???????????0??2017-12-14?11:13??base\bin\com\day1\demo\
?????文件?????????818??2017-12-14?11:18??base\bin\com\day1\demo\App.class
?????文件?????????124??2017-12-14?11:08??base\bin\com\day1\demo\IUSB.class
?????文件?????????531??2017-12-14?11:09??base\bin\com\day1\demo\KeyBoard.class
?????文件?????????469??2017-12-14?11:11??base\bin\com\day1\demo\Motherboard.class
?????文件?????????522??2017-12-14?11:09??base\bin\com\day1\demo\Mouse.class
?????文件?????????531??2017-12-14?11:16??base\bin\com\day1\demo\Printer.class
?????目錄???????????0??2017-12-14?09:04??base\src\
?????目錄???????????0??2017-12-14?09:04??base\src\com\
?????目錄???????????0??2017-12-14?09:04??base\src\com\day1\
?????目錄???????????0??2017-12-14?11:13??base\src\com\day1\demo\
?????文件?????????542??2017-12-14?11:18??base\src\com\day1\demo\App.java
?????文件??????????69??2017-12-14?11:08??base\src\com\day1\demo\IUSB.java
?????文件?????????138??2017-12-14?11:09??base\src\com\day1\demo\KeyBoard.java
?????文件?????????236??2017-12-14?11:11??base\src\com\day1\demo\Motherboard.java
?????文件?????????135??2017-12-14?11:09??base\src\com\day1\demo\Mouse.java
?????文件?????????143??2017-12-14?11:16??base\src\com\day1\demo\Printer.java