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Java ConcurrentHashMap merge() Method The merge() method of ConcurrentHashMap class merge sets If the specified key is not already associated with a…

Java ConcurrentHashMap computeIfAbsent() Method The computeIfAbsent() method of ConcurrentHashMap class computes its value using the given mapping function and enters it into…

Java ConcurrentHashMap newKeySet() Method The newKeySet() method of ConcurrentHashMap class Creates a new set backed by a ConcurrentHashMap from the given type…

Java ConcurrentHashMap computeIfPresent() Method The computeIfPresent() method of ConcurrentHashMap class computes a new mapping given the key and its current mapped value…

Java ConcurrentHashMap put() Method The put() method of ConcurrentHashMap class maps the specified key to the specified value in this table. Syntax…

Java ConcurrentHashMap contains() Method The contains() method of ConcurrentHashMap class tests if some key maps into the specified value in this table.…

Java ConcurrentHashMap putAll() Method The putAll() method of ConcurrentHashMap class copies all of the mappings from the specified map to this one.…

Java ConcurrentHashMap containsKey() Method The containsKey() method of ConcurrentHashMap class tests if the specified object is a key in this table. Syntax…

Java ConcurrentHashMap putIfAbsent() Method The putIfAbsent() method of ConcurrentHashMap class maps the specified keys and values if the specified key is not…

Java ConcurrentHashMap containsValue() Method The containsValue() method of ConcurrentHashMap class returns true if this map maps one or more keys to the…