src/main/java/lab/Background.java

src/main/java/lab/Boat.java

src/main/java/lab/Collisionable.java

src/main/java/lab/DrawableSimulable.java

src/main/java/lab/LochNess.java

src/main/java/lab/Rock.java

src/main/java/lab/Scene.java

src/main/java/lab/WorldEntity.java

src/test/java/jez04/structure/test/ClassStructureTest.java