YouwanttouseteCoherenceJavaAPIstodirectlycachedPOJOs.Considerthissnippetofcode：NamedCachecache-CacheFactory.getCache（"mycache"）；cache.put（newInteger（I）f"hello"）；cache.put（T，"hi"）；cache.put（newLong（II），"hey"）；Thiscodeinsertsthreeobjectsintothecache.Why？（）A
题目
YouwanttouseteCoherenceJavaAPIstodirectlycachedPOJOs.Considerthissnippetofcode：NamedCachecache-CacheFactory.getCache（"mycache"）；cache.put（newInteger（I）f"hello"）；cache.put（T，"hi"）；cache.put（newLong（II），"hey"）；Thiscodeinsertsthreeobjectsintothecache.Why？（）
A.hashCode（）andequals（）methodforeachobjecttypeisdifferentsoadifferentkeyisused
B.eachobjectvaluestringisdifferentsoadifferentvalueisinsertedoneachput
C.equals（）andcompare（）methodisdifferentforeachput
D.POFneedtobeimplementedforthistoworkproperly