How to convert a List to Set in Java
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Many times we need to convert one collection to another e.g. converting a List to a Set. It'an also an easy way to copy contents from one collection to other in Java like from List to Set or Set to List. Thanks to Collection framework in Java, copying collection from one to other is extremely easy. Since every Collection class implements Collection interface which defines addAll() method, which can be used to create a collection from contents of another collection. In this Java tutorial, we will see an example of how to copy contents from List to Set in Java as part of copying data from one collection to other in Java. This is an actually nice way to convert List to Set in Java. You can use this technique to convert any List implementation to Set in Java.
