How to loop a Map in Java

How to loop a Map in Java or How many ways to loop Map in Java are most important questions in any Java interview. It’s require a developer to list down the ways of loop a Map in Java. This post will show you five different ways of traversing a Map in java.

1st way to loop a HashMap

2nd way to loop a HashMap

3rd way to loop a HashMap

4th way to loop a HashMap

5st way to loop a HashMap
Java 8 only, forEach and Lambda

6st way to loop a HashMap
Java 8 only, Stream API

7st way to loop a HashMap
Java 8 only, Stream API Parallel

Create a demonstration program
Above we just show you how to loop a Map in Java and how many ways to loop Map in Java. Now, we are creating a main class to run the above code.

Run above main and produce the outpout like below screen shoot:

How to loop a Map in Java

That’s it on the How to loop a Map in Java tutorial. If you are interesting about sorting a map, please visit How to sort Hashmap by key in Java

Leave a Comment

*

Please share it if you found this useful
Hide Buttons