com_baeldung_exceptions_abstractmethoderror_AbstractMethodErrorUnitTest_java
org.h2.engine.Database
 -> java.util.HashMap.values(): java.util.Collection -> java.util.Collection.iterator(): java.util.Iterator -> java.util.Iterator.hasNext(): boolean -> java.util.Iterator.next(): java.lang.Object -> java.util.HashMap.values(): java.util.Collection -> java.util.ArrayList.addAll(java.util.Collection): boolean -> java.util.Iterator.hasNext(): boolean -> java.util.Iterator.next(): java.lang.Object -> java.util.HashMap.values(): java.util.Collection -> java.util.ArrayList.addAll(java.util.Collection): boolean -> java.util.Iterator.hasNext(): boolean -> java.util.ArrayList.iterator(): java.util.Iterator -> java.util.Iterator.hasNext(): boolean -> java.util.ArrayList.add(java.lang.Object): boolean -> java.util.ArrayList.add(java.lang.Object): boolean -> java.util.ArrayList.size(): int -> java.util.ArrayList.toArray(java.lang.Object[]): java.lang.Object[]