diff --git a/Cleaner.java b/Cleaner.java
new file mode 100644
index 0000000..08eb2ee
--- /dev/null
+++ b/Cleaner.java
@@ -0,0 +1,9 @@
+package ServantDesignPattern;
+
+public  class Cleaner{
+    //仆人动物类
+    //提供的具体服务内容：打扫操场的跑道和草坪
+    public void clean(IsCleanable cleanable){
+        cleanable.cleaned();
+    }
+}
diff --git a/Client.java b/Client.java
new file mode 100644
index 0000000..a8be879
--- /dev/null
+++ b/Client.java
@@ -0,0 +1,11 @@
+package ServantDesignPattern;
+
+//Client客户端场景
+   public  class Client{
+        public static void main(String[] args){
+            Cleaner cleaner = new Cleaner();
+            cleaner.clean(new Runway());
+            cleaner.clean(new Lawn());
+        }
+    }
+
diff --git a/Colleague.java b/Colleague.java
new file mode 100644
index 0000000..ac71028
--- /dev/null
+++ b/Colleague.java
@@ -0,0 +1,10 @@
+package Mediator;
+
+ public abstract class Colleague {//AthleteAndOthers
+
+    protected Mediator mediator;
+
+    public Colleague(Mediator mediator) {
+        this.mediator = mediator;
+    }
+}
diff --git a/ConcreteAthlete.java b/ConcreteAthlete.java
new file mode 100644
index 0000000..7bc5571
--- /dev/null
+++ b/ConcreteAthlete.java
@@ -0,0 +1,18 @@
+package Mediator;
+
+public class ConcreteAthlete extends Colleague {
+
+    public ConcreteAthlete(Mediator mediator) {
+        super(mediator);
+    }
+
+    public void send(String message) {
+        mediator.send(message, this);
+    }
+
+    public void notify(String message) {
+        System.out.println("ConcreteAthlete：send：运动员得到消息：" + message);
+    }
+
+}
+
diff --git a/ConcreteMediator.java b/ConcreteMediator.java
new file mode 100644
index 0000000..8e4b40a
--- /dev/null
+++ b/ConcreteMediator.java
@@ -0,0 +1,25 @@
+package Mediator;
+
+public class ConcreteMediator extends Mediator {
+
+    private ConcreteOthers Others;//具体同事1，其他普通动物
+    private ConcreteAthlete Athlete;//具体同事2，运动员动物
+
+    public void setOthers(ConcreteOthers Others) {
+        this.Others = Others;
+    }
+
+    public void setAthlete(ConcreteAthlete Athlete) {
+        this.Athlete = Athlete;
+    }
+
+    @Override
+    //普通动物和运动员发送信息功能
+    public void send(String message, Colleague colleague) {
+        if(colleague == Others) {
+            Athlete.notify(message);
+        } else {
+            Others.notify(message);
+        }
+    }
+}
diff --git a/ConcreteOthers.java b/ConcreteOthers.java
new file mode 100644
index 0000000..27ea288
--- /dev/null
+++ b/ConcreteOthers.java
@@ -0,0 +1,17 @@
+package Mediator;
+
+public class ConcreteOthers extends Colleague {
+
+    public ConcreteOthers(Mediator mediator) {
+        super(mediator);
+    }
+
+    public void send(String message) {
+        mediator.send(message, this);
+    }
+
+    public void notify(String message) {
+        System.out.println("ConcreteOthers：send：普通动物得到消息：" + message);
+    }
+
+}
\ No newline at end of file
diff --git a/Facade.java b/Facade.java
new file mode 100644
index 0000000..c77f3bd
--- /dev/null
+++ b/Facade.java
@@ -0,0 +1,82 @@
+package Facade;
+
+//外观类
+ public class Facade {
+
+    //被委托的对象,报名，排队，体检，检录
+    baoming a;
+    paidui b;
+    tijian c;
+    jianlu d;
+//外观设计模式创建新的报名，排队等过程
+    public Facade() {
+        a = new baoming();
+        b = new paidui();
+        c = new tijian();
+        d = new jianlu();
+    }
+
+    //提供给外部访问的方法，做这四个工作
+    public void method_baoming() { this.a.dosomething_baoming();}
+
+    public void method_paidui() {
+        this.b.dosomething_paidui();
+    }
+
+    public void method_tijian() {
+        this.c.dosomething_tijian();
+    }
+
+    public void method_jianlu() {
+        this.d.dosomething_jianlu();
+    }
+
+
+//外观设计的四个method
+public void method(){
+     method_baoming();
+     method_paidui();
+     method_tijian();
+     method_jianlu();
+}
+ }
+//facade中四个子系统角色，及其输出
+class baoming {//报名类
+
+    public void dosomething_baoming() {
+        System.out.println("baoming:method_baoming：运动员报名");
+    }
+
+}
+ class paidui {//排队类
+
+    public void dosomething_paidui() {
+        System.out.println("paidui:method_paidui:运动员参与排队");
+    }
+
+}
+ class tijian {//体检类
+
+    public void dosomething_tijian() {
+        System.out.println("tijian:method_tijian:运动员体检");
+    }
+
+}
+class jianlu {//检录类
+
+    public void dosomething_jianlu() {
+        System.out.println("jianlu:method_jianlu:运动员入场检录");
+    }
+
+}
+//Client客户端与主函数
+ class Client {
+
+    public static void main(String[] args) {
+        Facade facade = new Facade();
+
+        facade.method();
+
+    }
+
+}
\ No newline at end of file
diff --git a/FacadeTest.java b/FacadeTest.java
new file mode 100644
index 0000000..e974b5c
--- /dev/null
+++ b/FacadeTest.java
@@ -0,0 +1,12 @@
+package Test;
+
+import Facade.Facade;
+
+public class FacadeTest {
+    public static void main(String[] args) {
+        Facade facade = new Facade();
+
+        facade.method();
+
+    }
+}
diff --git a/IsCleanable.java b/IsCleanable.java
new file mode 100644
index 0000000..0c1ab37
--- /dev/null
+++ b/IsCleanable.java
@@ -0,0 +1,7 @@
+package ServantDesignPattern;
+
+public interface IsCleanable{
+    //被服务者
+    //   定义“一组类”所具有的通用功能：打扫操场
+    void cleaned();
+}
diff --git a/Lawn.java b/Lawn.java
new file mode 100644
index 0000000..8699de5
--- /dev/null
+++ b/Lawn.java
@@ -0,0 +1,11 @@
+package ServantDesignPattern;
+
+public  class Lawn implements IsCleanable {
+    //实现 IServiced，并完成具体逻辑
+    //具体被服务的对象
+    //仆人动物打扫草坪
+    public void cleaned(){
+        System.out.println("Lawn:clean:草坪被清理干净");
+    }
+}
+
diff --git a/Mediator.java b/Mediator.java
new file mode 100644
index 0000000..1304a78
--- /dev/null
+++ b/Mediator.java
@@ -0,0 +1,45 @@
+package Mediator;
+//抽象中介者类
+
+ public abstract class Mediator {
+
+//抽象的发送消息方法
+            public abstract void send(String message, Colleague colleague);
+
+         }
+
+         //抽象同事类，也就是运动员和普通动物的抽象类
+
+
+ //具体中介者类
+
+
+
+ //具体同事类，普通动物
+
+
+ //具体同事类，运动员
+
+ //Client客户端
+ class Client {
+
+     public static void main(String[] args) {
+         ConcreteMediator mediator = new ConcreteMediator();
+
+         ConcreteOthers Others = new ConcreteOthers(mediator);
+         ConcreteAthlete Athlete = new ConcreteAthlete(mediator);
+
+         mediator.setOthers(Others);
+         mediator.setAthlete(Athlete);
+
+         Others.send("普通动物要求运动员参会");
+         Athlete.send("运动员已经参会");
+     }
+
+ }
+
+
+
+
+
+
diff --git a/MediatorTest.java b/MediatorTest.java
new file mode 100644
index 0000000..34a3ad6
--- /dev/null
+++ b/MediatorTest.java
@@ -0,0 +1,23 @@
+package Test;
+import  org.junit.Test;
+
+import Mediator.ConcreteAthlete;
+import Mediator.ConcreteMediator;
+import Mediator.ConcreteOthers;
+
+public class MediatorTest {
+    @Test
+    public void test() {
+        ConcreteMediator mediator = new ConcreteMediator();
+
+        ConcreteOthers Others = new ConcreteOthers(mediator);
+        ConcreteAthlete Athlete = new ConcreteAthlete(mediator);
+
+        mediator.setOthers(Others);
+        mediator.setAthlete(Athlete);
+
+        Others.send("普通动物要求运动员参会");
+        Athlete.send("运动员已经参会");
+    }
+
+}
diff --git a/Runway.java b/Runway.java
new file mode 100644
index 0000000..56a5290
--- /dev/null
+++ b/Runway.java
@@ -0,0 +1,11 @@
+package ServantDesignPattern;
+
+
+public  class  Runway implements IsCleanable {
+    //实现 IServiced，并完成具体逻辑
+    //具体被服务的对象
+    //仆人动物打扫跑道
+    public void cleaned(){
+        System.out.println("Runway:clean:跑道被清理干净");
+    }
+}
diff --git a/ServantTest.java b/ServantTest.java
new file mode 100644
index 0000000..2aa5053
--- /dev/null
+++ b/ServantTest.java
@@ -0,0 +1,14 @@
+package Test;
+
+import ServantDesignPattern.Cleaner;
+import ServantDesignPattern.Lawn;
+import ServantDesignPattern.Runway;
+
+public class ServantTest {
+    public static void main(String[] args){
+        Cleaner cleaner = new Cleaner();
+        cleaner.clean(new Runway());
+        cleaner.clean(new Lawn());
+    }
+
+}