java TestRingList 
RingList->[java.lang.Object@1dc6076d]-->[java.lang.Object@1dc60770]--> back to first Element
RingList->[java.lang.Object@1dc60770]-->[java.lang.Object@1dc6076d]--> back to first Element
RingList->[java.lang.Object@1dc6076d]-->[java.lang.Object@1dc60770]--> back to first Element
Enthalten? true
Enthalten? false
RingList->[java.lang.Object@1dc607d4]-->[java.lang.Object@1dc607d6]-->[java.lang.Object@1dc6076d]-->[java.lang.Object@1dc60770]--> back to first Element
RingList->[java.lang.Object@1dc607d6]-->[java.lang.Object@1dc6076d]-->[java.lang.Object@1dc60770]-->[java.lang.Object@1dc607d4]--> back to first Element
RingList->[java.lang.Object@1dc607d4]-->[java.lang.Object@1dc607d6]-->[java.lang.Object@1dc6076d]-->[java.lang.Object@1dc60770]--> back to first Element
java.lang.Object@1dc607d4
Size: 4
Is empty? : false
RingList->[java.lang.Object@1dc607d6]-->[java.lang.Object@1dc6076d]-->[java.lang.Object@1dc60770]--> back to first Element
Is empty? : true
ListEmptyException: List is empty
        at RingList.reverse(RingList.java:114)
        at TestRingList.main(TestRingList.java:33)