How to remove duplicates from ArrayList in Java 8

In this tutorial, we will see “How to remove duplicates from ArrayList using Java 8”. In order to remove duplicates from the list, we are going to use Stream API introduced in Java 8.

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Example

 

Let’s try to understand the code:

1. Create a list and add duplicate elements into it. 

 

2. Convert the list into ‘stream’

 

3. Extract the unique entries in the list with the use of ‘distinct’ method of stream

 

4. Finally, Store the unique or distinct entries in to a collector

 

Output:

 

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