add license

Author: Ziang-Lu

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Ziang Lu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -1,3 +1,5 @@
+This repo contains everything aspect of Java memory management.
+
 # JVM Memory Structure (JVM内存结构)
 
 ![image](https://github.com/Ziang-Lu/Java-Memory-Management/blob/master/java_memory_distribution.png?raw=true)
@@ -143,3 +145,8 @@ Note:
 
 和Java对象在虚拟机中的表现形式有关, 指的是Java对象在内存中的存储的结构
 
+<br>
+
+# License
+
+This repo is distributed under the MIT license.