diff --git a/oop/notes/01-oop-introduction-hw.pdf b/oop/notes/01-oop-introduction-hw.pdf new file mode 100644 index 0000000..806556e Binary files /dev/null and b/oop/notes/01-oop-introduction-hw.pdf differ diff --git a/oop/notes/01-oop-introduction.pdf b/oop/notes/01-oop-introduction.pdf new file mode 100644 index 0000000..931ad98 Binary files /dev/null and b/oop/notes/01-oop-introduction.pdf differ