These are my own experiments in peacetime when they write some code on the design patterns used in the observation, modification, application factory pattern, I hope all of you refer to the following

lab2
....\Observer.doc
....\WeatherStation
....\..............\classes
....\..............\.......\currentConditionDisplay.class
....\..............\.......\DisplayElement.class
....\..............\.......\forecastDisplay.class
....\..............\.......\Observer.class
....\..............\.......\statisticsDisplay.class
....\..............\.......\Subject.class
....\..............\.......\WeatherData.class
....\..............\.......\WeatherStation.class
....\..............\src
....\..............\...\currentConditionDisplay.java
....\..............\...\DisplayElement.java
....\..............\...\forecastDisplay.java
....\..............\...\Observer.java
....\..............\...\statisticsDisplay.java
....\..............\...\Subject.java
....\..............\...\WeatherData.java
....\..............\...\WeatherStation.java
....\..............\src_weatherstation.txt
....\..............\WeatherStation.jcd
....\..............\WeatherStation.jcp
....\..............\WeatherStation.jcu
....\..............\WeatherStation.jcw
....\..............\WeatherStation2.jcd
....\..............\WeatherStation2.jcu
....\..............\WeatherStation2.jcw
lab3
....\Decorator
....\.........\Beverage.class
....\.........\CondimentDecorator.class
....\.........\DarkRoast.class
....\.........\Decorator.class
....\.........\Decorator.jcd
....\.........\Decorator.jcp
....\.........\Decorator.jcu
....\.........\Decorator.jcw
....\.........\Decorator.uml
....\.........\Decorator2.jcd
....\.........\Decorator2.jcu
....\.........\Decorator2.jcw
....\.........\DecoratorFrame$1.class
....\.........\DecoratorFrame$2.class
....\.........\DecoratorFrame.class
....\.........\Espresso.class
....\.........\HouseBlend.class
....\.........\Mocha.class
....\.........\Soy.class
....\.........\src
....\.........\...\Beverage.java
....\.........\...\CondimentDecorator.java
....\.........\...\DarkRoast.java
....\.........\...\Decorator.java
....\.........\...\DecoratorFrame.java
....\.........\...\Espresso.java
....\.........\...\HouseBlend.java
....\.........\...\Mocha.java
....\.........\...\Soy.java
....\.........\...\Whip.java
....\.........\src_decorator.txt
....\.........\Whip.class
....\Weapon
....\......\classes
....\......\.......\BlueGem.class
....\......\.......\BroadSword.class
....\......\.......\Device.class
....\......\.......\GreenGem.class
....\......\.......\PoxyDevice.class
....\......\.......\RedGem.class
....\......\.......\Tulong.class
....\......\.......\Weapon.class
....\......\.......\Yitian.class
....\......\src
....\......\...\BlueGem.java
....\......\...\BroadSword.java
....\......\...\Device.java
....\......\...\GreenGem.java
....\......\...\PoxyDevice.java
....\......\...\RedGem.java
....\......\...\Tulong.java
....\......\...\Weapon.java
....\......\...\Yitian.java
....\......\src_weapon.txt
....\......\Weapon.jcd
....\......\Weapon.jcp
....\......\Weapon.jcu
....\......\Weapon.jcw
....\......\Weapon2.jcd
....\......\Weapon2.jcu
....\......\Weapon2.jcw
lab4
....\RiceNoodlePattern
....\.................\classes
....\.................\.......\beefRiceNoodle.class
....\.................\.......\chickenRiceNoodle.class
....\.................\.......\eggRiceNoodle.class
....\.................\.......\porkRiceNoodle.class
....\.................\.......\RiceNoodle.class

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