uml 笔记

Myth丶恋晨 2021-09-20 04:10 250阅读 0赞

# UML #

## WHAT IS UML ##

*  Unified Modeling Language (统一建模语言)
 *  将系统可视化，让规格和设计文档化的表现方法

## How to use ##

### 类图 ###

*  类与层次关系
    
     *  继承

abstract class ParentClass {....}
    
    class ChildClass extends ParentClass{....}

![uml 笔记][uml]

- 接口与实现
    
    ``` java
    interface Printable {....}
    
    class PrintClass implements Printable {...}
    ```

![uml 笔记][uml 1]

- 聚合
    
    ``` java
    
    class Color {}
    
    class Fruit {
        Color color;
    }
    
    class Basket {
        Fruit[] fruits;
    }
    ```

![uml 笔记][uml 2]

- 可见性
    
    ``` java
    class something {
        private int privateField;
        protected int ProtectedField;
        public int publicField;
        private void privateMethod() {}
        protected void protectedMethod() {}
        public void publicMethod() {}
    }
    
     + public
     - private
     # protected
    ```

![uml 笔记][uml 3]

*  类的关联

![uml 笔记][uml 4]

*  时序图

![uml 笔记][uml 5]

转载于:https://blog.51cto.com/1992mrwang/2046976

[uml]: https://s1.51cto.com/images/blog/201712/03/1a1d4cbbafeb65be4d00b66ea254e5d1.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=
[uml 1]: https://s1.51cto.com/images/blog/201712/03/ca5fbf32fccd366beacd19e824218248.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=
[uml 2]: https://s1.51cto.com/images/blog/201712/03/80a561e029b5b6a1750589f5937befb3.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=
[uml 3]: https://s1.51cto.com/images/blog/201712/03/d601c812a1cd781fc213da7871015d6d.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=
[uml 4]: https://s1.51cto.com/images/blog/201712/03/b3d858f8ed5fe261a0440f65f6d8ae25.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=
[uml 5]: https://s1.51cto.com/images/blog/201712/03/31711a70ce2d3a9cbcb73076735867e1.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=