SatyaCodes

Java- Map

Map

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  • Entry Interface: One Row (pair of <K,V>) treated as an Entry

  • Object put(Object Key, Object value) – To add one <key, value> pair to the Map.

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    if the is already present then oldvalue will be replaced with new Value & returns old value.

  • Object putAll(Map m)

  • Void putAll(Map m)

  • Object get(Object key)

  • Object remove(Obejct key)

  • boolean containsKey(Object Key)

  • boolean containsValue(Object value)

  • boolean isEmpty()

  • int size()

  • void clear

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