File list (Check if you may need any files):
PatternsInJava
..............\.classpath
..............\.project
..............\.settings
..............\.........\org.eclipse.jdt.core.prefs
..............\bin
..............\...\builder
..............\...\.......\BandaBulider.class
..............\...\.......\Client.class
..............\...\.......\Director.class
..............\...\.......\House.class
..............\...\.......\HouseBuilder.class
..............\...\.......\MaosionBulider.class
..............\...\decorator
..............\...\.........\Client.class
..............\...\.........\Egg.class
..............\...\.........\FenGan.class
..............\...\.........\LargeStal.class
..............\...\.........\MainFood.class
..............\...\.........\MainFoodDecorator.class
..............\...\.........\NianGao.class
..............\...\.........\ShreddedMeat.class
..............\...\factory
..............\...\.......\abstractly
..............\...\.......\..........\AduiCarFactory.class
..............\...\.......\..........\AudiNormalCarA6.class
..............\...\.......\..........\AudiSUVQ5.class
..............\...\.......\..........\BenzCarFactory.class
..............\...\.......\..........\BenzNormalCarE300.class
..............\...\.......\..........\BenzSUVS350.class
..............\...\.......\..........\Car.class
..............\...\.......\..........\CarFactory.class
..............\...\.......\..........\Client.class
..............\...\.......\..........\NormalCar.class
..............\...\.......\..........\SUV.class
..............\...\.......\Helloword.class
..............\...\.......\simple
..............\...\.......\......\Audi.class
..............\...\.......\......\Benzi.class
..............\...\.......\......\Car.class
..............\...\.......\......\CarFactory.class
..............\...\.......\......\Client.class
..............\...\observer
..............\...\........\Client.class
..............\...\........\LaoErObserver.class
..............\...\........\LaoSanObserver.class
..............\...\........\LaoSiObserver.class
..............\...\........\MafeiLeader.class
..............\...\........\MafeiObserver.class
..............\...\........\ZhangMaZi.class
..............\...\singleton
..............\...\.........\Client.class
..............\...\.........\President.class
..............\...\.........\PresidentHungry.class
..............\porget
..............\src
..............\...\builder
..............\...\.......\BandaBulider.java
..............\...\.......\Client.java
..............\...\.......\Director.java
..............\...\.......\House.java
..............\...\.......\HouseBuilder.java
..............\...\.......\MaosionBulider.java
..............\...\decorator
..............\...\.........\Client.java
..............\...\.........\Egg.java
..............\...\.........\FenGan.java
..............\...\.........\LargeStal.java
..............\...\.........\MainFood.java
..............\...\.........\MainFoodDecorator.java
..............\...\.........\NianGao.java
..............\...\.........\ShreddedMeat.java
..............\...\factory
..............\...\.......\abstractly
..............\...\.......\..........\AduiCarFactory.java
..............\...\.......\..........\AudiNormalCarA6.java
..............\...\.......\..........\AudiSUVQ5.java
..............\...\.......\..........\BenzCarFactory.java
..............\...\.......\..........\BenzNormalCarE300.java
..............\...\.......\..........\BenzSUVS350.java
..............\...\.......\..........\Car.java
..............\...\.......\..........\CarFactory.java
..............\...\.......\..........\Client.java
..............\...\.......\..........\NormalCar.java
..............\...\.......\..........\SUV.java
..............\...\.......\Helloword.java
..............\...\.......\simple
..............\...\.......\......\Audi.java
..............\...\.......\......\Benzi.java
..............\...\.......\......\Car.java
..............\...\.......\......\CarFactory.java
..............\...\.......\......\Client.java
..............\...\observer
..............\...\........\Client.java
..............\...\........\La