src/main/java/lecture_18_repetition/AirLock.java

src/main/java/lecture_18_repetition/Door.java

src/main/java/lecture_18_repetition/IAirLock.java

src/main/java/lecture_19_inheritance/Clothing.java

src/main/java/lecture_19_inheritance/Drawer.java

src/main/java/lecture_19_inheritance/IStorage.java

src/main/java/lecture_19_inheritance/Shelf.java

src/main/java/lecture_19_inheritance/SortedListAbstract.java

...in/java/lecture_19_inheritance/SortedListComposition.java

...in/java/lecture_19_inheritance/SortedListInheritance.java

src/main/java/lecture_19_inheritance/UseSortedList.java

src/main/java/lecture_19_inheritance/Wardrobe.java

src/main/java/lecture_20_exams/corona/ICoronaData.java

src/main/java/lecture_20_exams/library/Book.java

src/main/java/lecture_20_exams/library/Library.java

src/main/java/lecture_20_exams/music/MusicSorter.java

src/main/java/lecture_20_exams/music/Song.java

src/main/java/lecture_20_exams/scrabble/Scrabble.java

src/main/java/lecture_20_exams/scrabble/ScrabbleTest.java

src/test/java/lecture_18_repetition/AirLockTest.java