IMapK, VPut Method (K, V)Hazelcast .Net Client Class Library
Associates the specified value with the specified key in this map If the map previously contained a mapping for the key, the old value is replaced by the specified value.

Namespace: Hazelcast.Core
Assembly: HazelcastClient3x (in HazelcastClient3x.dll) Version: 3.3.0.12
Syntax

V Put(
	K key,
	V value
)

Parameters

key
Type: K
key
value
Type: V
value

Return Value

Type: V
previous value associated with key or null if there was no mapping for key .
Remarks

Associates the specified value with the specified key in this map If the map previously contained a mapping for the key, the old value is replaced by the specified value.

Warning:

This method returns a clone of previous value, not the original (identically equal) value previously put into map.

Warning-2:

This method uses GetHashCode and Equals of binary form of the key, not the actual implementations of GetHashCode and Equals defined in key's class.
See Also

Reference