diff --git a/java/lectures/ООП.md b/java/lectures/ООП.md
index e69de29..aaf0ecc 100644
--- a/java/lectures/ООП.md
+++ b/java/lectures/ООП.md
@@ -0,0 +1,4 @@
+# Абстракция
+# Инкапсуляция
+# Наследование
+# Полиморфизм
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