Method contains

lib/java/util/HashMap.java:234–242

(Object object)

        }

        @Override
        public boolean contains(Object object) {
            if (object instanceof Map.Entry) {
                Map.Entry<?, ?> oEntry = (Map.Entry<?, ?>) object;
                Entry<KT, VT> entry = associatedMap.getEntry(oEntry.getKey());
                return valuesEq(entry, oEntry);
            }
            return false;
        }

        private static boolean valuesEq(Entry entry, Map.Entry<?, ?> oEntry) {
            return (entry != null) &&