File list (Check if you may need any files):
execise8
........\Alife-inheritance
........\.................\class
........\.................\.....\AlgaeColony.class
........\.................\.....\Animal.class
........\.................\.....\Catfish.class
........\.................\.....\Crocodile.class
........\.................\.....\HtmlImage.class
........\.................\.....\HtmlPage.class
........\.................\.....\HtmlTable.class
........\.................\.....\LivingBeing.class
........\.................\.....\Simulation.class
........\.................\.....\SimulationServlet.class
........\.................\.....\SimulationView.class
........\.................\content
........\.................\.......\blank.gif
........\.................\.......\CatFish-down.gif
........\.................\.......\CatFish-left.gif
........\.................\.......\CatFish-right.gif
........\.................\.......\CatFish-up.gif
........\.................\.......\Crocodile-down.gif
........\.................\.......\Crocodile-left.gif
........\.................\.......\Crocodile-right.gif
........\.................\.......\Crocodile-up.gif
........\.................\.......\initialWorldAlgaeFishCroc.html
........\.................\doc
........\.................\...\AlgaeColony.html
........\.................\...\allclasses-frame.html
........\.................\...\allclasses-noframe.html
........\.................\...\Animal.html
........\.................\...\constant-values.html
........\.................\...\deprecated-list.html
........\.................\...\help-doc.html
........\.................\...\index-all.html
........\.................\...\index.html
........\.................\...\LivingBeing.html
........\.................\...\overview-tree.html
........\.................\...\package-list
........\.................\...\packages.html
........\.................\...\stylesheet.css
........\.................\work
........\.................\....\AlgaeColony.class
........\.................\....\AlgaeColony.java
........\.................\....\Animal.class
........\.................\....\Animal.java
........\.................\....\Catfish.class
........\.................\....\Catfish.java
........\.................\....\Catfish.java.bak
........\.................\....\Crocodile.class
........\.................\....\Crocodile.java
........\.................\....\Crocodile.java.bak
........\.................\....\Croodile.java.bak
........\.................\....\HtmlImage.class
........\.................\....\HtmlPage.class
........\.................\....\HtmlTable.class
........\.................\....\LivingBeing.class
........\.................\....\LivingBeing.java
........\.................\....\Simulation.class
........\.................\....\SimulationServlet.class
........\.................\....\SimulationView.class