Design pattern code, JAVA version of the need to study

设计模式代码
............\命令模式1--一个带“撤销恢复”功能的计算器
............\.........................................\Calculator.class
............\.........................................\Calculator.java
............\.........................................\CalculatorCommand.class
............\.........................................\CalculatorCommand.java
............\.........................................\Client.java
............\.........................................\Command.class
............\.........................................\Command.java
............\.........................................\User.java
............\命令模式2--锦囊妙计
............\...................\JinNang.class
............\...................\JinNang.java
............\...................\JinNang1.class
............\...................\JinNang1.java
............\...................\JinNang2.class
............\...................\JinNang2.java
............\...................\JinNang3.class
............\...................\JinNang3.java
............\...................\Receiver.java
............\框架代码
............\........\Boss.java
............\........\Professional.class
............\........\Professional.java
............\........\Programme.class
............\........\Programme.java
............\........\Sale.class
............\........\Sale.java
............\责任链模式
............\..........\Approver.java
............\..........\ChainApp.java
............\..........\Director.java
............\..........\President.java
............\..........\PurchaseRequest.class
............\..........\PurchaseRequest.java
............\..........\VicePresident.java

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