Revert "Revert "bugtest KoieSamling, example of use in main.java""

This reverts commit 793c6dd77db82eade57841d78cff30428b415993.

revert revert (I know)
Revert "Revert "add comments""

This reverts commit a1599fad7ad901a3221108f572757f2b0c062975.

revert revert