Hashmap java examples12/1/2023 ("map values after calling compute(): " + newIdNamesMap) ("compute returnedValue for key 8900 : " + returnedValueNull) ("compute returnedValue : " + returnedValue) (k, v) -> (v = null ? "value is null" : "key " + k + " value is : " + v)) ("Checking modifications in Collection: " + valuesCollection) ("Checking modifications in keysSet : " + keysSet) Ĭollection valuesCollection = newIdNamesMap.values() ("value Balaji exists : " + valueBalajiexists) ("value Zumba exists : " + valueZumbaexists) ("key 900 exists : " + key900exists) īoolean valueZumbaexists = ntainsKey("Zumba") īoolean valueBalajiexists = ntainsKey("Balaji") ("Size after calling clear() method : " + size) īoolean key500exists = ntainsKey("500") īoolean key900exists = ntainsKey("900") ("Removed value for key 1000 : " + removedValueForkey1000) String removedValueForkey1000 = newIdNamesMap.remove("1000") ("Removed value for the key 500 : " + removedValueForkey500) String removedValueForkey500 = newIdNamesMap.remove("500") String nullkeyValue = newIdNamesMap.get(null) ("Get default vaue example : " + defaultValueFound) String defaultValueFound = newIdNamesMap.getOrDefault("400", "Four Hundread") ("Get default vaue example key not found: " + defaultValueNotFound) String defaultValueNotFound = newIdNamesMap.getOrDefault("800", "Eight Hundread") String nullValue = newIdNamesMap.get("800") String value3 = newIdNamesMap.get("600") String value2 = newIdNamesMap.get("300") String value1 = newIdNamesMap.get("200") HashMap mapWithFactor = new HashMap(100, 0.5f) HashMap mapFromExistingMap = new HashMap(map) HashMap mapWithCapacity = new HashMap(200)
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