Method Detail

• putIfAbsent

  V putIfAbsent(K key,
                V value)

  Inserts a key/value pair into the map if the specified key is not already associated with a value.

  Specified by:

  putIfAbsent in interface java.util.Map<K,V>

  Parameters:

  key - an Object value

  value - an Object value

  Returns:

  the previous value associated with key, or null if none was found.

• forEachKey

  boolean forEachKey(TObjectProcedure<? super K> procedure)

  Executes procedure for each key in the map.

  Parameters:

  procedure - a TObjectProcedure value

  Returns:

  false if the loop over the keys terminated because the procedure returned false for some key.

• forEachValue

  boolean forEachValue(TObjectProcedure<? super V> procedure)

  Executes procedure for each value in the map.

  Parameters:

  procedure - a TObjectProcedure value

  Returns:

  false if the loop over the values terminated because the procedure returned false for some value.

• forEachEntry

  boolean forEachEntry(TObjectObjectProcedure<? super K,? super V> procedure)

  Executes procedure for each key/value entry in the map.

  Parameters:

  procedure - a TObjectObjectProcedure value

  Returns:

  false if the loop over the entries terminated because the procedure returned false for some entry.

• retainEntries

  boolean retainEntries(TObjectObjectProcedure<? super K,? super V> procedure)

  Retains only those entries in the map for which the procedure returns a true value.

  Parameters:

  procedure - determines which entries to keep

  Returns:

  true if the map was modified.

• transformValues

  void transformValues(TObjectFunction<V,V> function)

  Transform the values in this map using function.

  Parameters:

  function - a TObjectFunction value