diff --git a/day10/src/com/inmind/interface_extends07/MyInterface1.java b/day10/src/com/inmind/interface_extends07/MyInterface1.java
new file mode 100644
index 0000000..64a7c0e
--- /dev/null
+++ b/day10/src/com/inmind/interface_extends07/MyInterface1.java
@@ -0,0 +1,12 @@
+package com.inmind.interface_extends07;
+
+public interface MyInterface1 {
+    public static final int a = 10;//放入常量池
+
+    void method1();
+    void method();
+
+    public static void staticMethod1(){
+        System.out.println("接口1的静态方法");
+    }
+}
diff --git a/day10/src/com/inmind/interface_extends07/MyInterface2.java b/day10/src/com/inmind/interface_extends07/MyInterface2.java
new file mode 100644
index 0000000..236506f
--- /dev/null
+++ b/day10/src/com/inmind/interface_extends07/MyInterface2.java
@@ -0,0 +1,11 @@
+package com.inmind.interface_extends07;
+
+public interface MyInterface2 {
+    int b = 20;
+
+    void method2();
+    void method();
+    public static void staticMethod2(){
+        System.out.println("接口2的静态方法");
+    }
+}
diff --git a/day10/src/com/inmind/interface_extends07/MyInterfaceZi.java b/day10/src/com/inmind/interface_extends07/MyInterfaceZi.java
new file mode 100644
index 0000000..f576044
--- /dev/null
+++ b/day10/src/com/inmind/interface_extends07/MyInterfaceZi.java
@@ -0,0 +1,19 @@
+package com.inmind.interface_extends07;
+/*
+类与类：单继承
+类与接口：多实现
+接口与接口：多继承
+
+类的继承：单继承，一个类永远只有一个父类
+
+接口的继承：接口是多继承的，接口可以有多个直接的父接口
+接口的多继承的注意事项：
+1.如果是继承，子接口继承所有的父接口的抽象方法，子接口的实现类必须实现所有的抽象方法
+2.如果是继承的父接口中有同名的抽象方法，子接口只会继承一个抽象方法，子接口的实现类也只需要实现一次同名的抽象方法
+3.接口的静态方法不能通过对象调用
+4.接口的静态方法只跟本接口相关，只能通过本接口名.静态方法来调用
+5.常量也类似
+ */
+public interface MyInterfaceZi extends MyInterface1,MyInterface2 {
+    void methodZi();
+}
diff --git a/day10/src/com/inmind/interface_extends07/MyInterfaceZiImpl.java b/day10/src/com/inmind/interface_extends07/MyInterfaceZiImpl.java
new file mode 100644
index 0000000..27dd88a
--- /dev/null
+++ b/day10/src/com/inmind/interface_extends07/MyInterfaceZiImpl.java
@@ -0,0 +1,28 @@
+package com.inmind.interface_extends07;
+
+public class MyInterfaceZiImpl implements MyInterfaceZi{
+    @Override
+    public void methodZi() {
+        MyInterface1.staticMethod1();
+        MyInterface2.staticMethod2();
+        System.out.println(MyInterface1.a);
+        System.out.println(MyInterface2.b);
+        System.out.println(MyInterfaceZi.b);//可以访问，原因是final，将值放入了常量池
+        System.out.println(MyInterfaceZi.a);
+    }
+
+    @Override
+    public void method1() {
+
+    }
+
+    @Override
+    public void method2() {
+
+    }
+
+    @Override
+    public void method() {
+
+    }
+}