Java LinkedHashMap Get All Values Example

This example shows how to get all values from the LinkedHashMap in Java using the values method. The example also shows how to iterate all values of the LinkedHashMap.

How to get all the values of the LinkedHashMap in Java?

The values method of the LinkedHashMap class returns all the values of the map.

The values method returns a Collection view of all the values stored in the map object.


The Collection view returned by the values method is backed by the original LinkedHashMap object. It means any changes you make to the Collection will be reflected in the original LinkedHashMap object, and vice versa.

Here is the example to show that.


As you can see from the output, whatever changes you make to any of them, other changes too.

How to iterate over all values?

Use the values method of the LinkedHashMap class to get values stored in the map object first. Get an iterator for the values collection and then iterate through it using the hasNext and the next methods as given below.


Important Note:

The value collection returned from the values method does not support add and addAll operations.


As you can see from the output, calling the add method on values collection will throw java.lang.UnsupportedOperationException exception.

This example is a part of the LinkedHashMap in Java Tutorial.

Please let me know your views in the comments section below.

Java 8 LinkedHashMap

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My name is RahimV and I have over 16 years of experience in designing and developing Java applications. Over the years I have worked with many fortune 500 companies as an eCommerce Architect. My goal is to provide high quality but simple to understand Java tutorials and examples for free. If you like my website, follow me on Facebook and Twitter.

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