diff --git a/day10/src/com/inmind/interface01/Demo01.java b/day10/src/com/inmind/interface01/Demo01.java
new file mode 100644
index 0000000..617803b
--- /dev/null
+++ b/day10/src/com/inmind/interface01/Demo01.java
@@ -0,0 +1,6 @@
+package com.inmind.interface01;
+/*
+接口：Integerface，用于定义统一要遵守的规范和规则
+ */
+public class Demo01 {
+}
diff --git a/day10/src/com/inmind/interface01/MyInterface.java b/day10/src/com/inmind/interface01/MyInterface.java
new file mode 100644
index 0000000..38fe3cc
--- /dev/null
+++ b/day10/src/com/inmind/interface01/MyInterface.java
@@ -0,0 +1,13 @@
+package com.inmind.interface01;
+/*
+接口就是生活中的规范，规则
+定义格式
+public interface 接口名 {
+}
+
+jdk7之前：抽象方法，常量
+jdk8:默认方法，静态方法
+jdk9:私有方法
+ */
+public interface MyInterface {
+}