add PoorDog.java PoorDogTestDrive.java
add Puzzle4.java Puzzle4b.java
add SimpleDotCom.java SimpleDotComTestDrive.java
add Output.java
add MultiFor.java
add ArrayListMagnet.java
add Boat.java Rowboat.java Sailboat.java TestBoats.java
add Nose.java Picasso.java Clowns.java Acts.java Of76.java
add Duck.java UseADuck.java
add OtherDuck.java TestDuck.java