Update README.md

bayern01kahn · bayern01kahn · commit 1b265eace477 · 2021-08-08T12:40:43.000+08:00
diff --git a/README.md b/README.md
@@ -220,8 +220,7 @@
 <br>
 
 # Example:
-
-## Java
+## Java (before 2020 version)
 
 | # | content | drawio |
 | --- | ------- | ------ |
