synchronizedNavigableMap()

Java Collections synchronizedNavigableMap() Method

Last Updated : 17 Mar 2025

The synchronizedNavigableMap() method of Java Collections class is used to get a synchronized (thread-safe) navigable map backed by the specified navigable map.

Syntax

Following is the declaration of synchronizedNavigableMap() method:

Parameter

Parameter	Description	Required/Optional
m	It is the navigable map which will be wrapped in a synchronized navigable map.	Required

Returns

The synchronizedNavigableMap() method returns a synchronized view of the specified Navigable Map.

Exceptions

Compatibility Version

Java 1.8 and above

Example 1

Output:

Synchronized navigable map is :{1=Google, 2=Facebook, 3=Java, 4=TpointTech}

Example 2

Output:

Map before Synchronized map: {1=1001, 2=1002, 3=1003, 4=1004, 5=1005}
Synchronized map after remove(4, 1004):{1=1001, 2=1002, 3=1003, 5=1005}

Example 3

Output:

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