Set Interface

  • Set is a child interface of Collection Interface
  • Set Interface and HashSet class came into picture in java 1.2 version and LinkedHashSet class was added into collections in java 1.4 version
Working with Set in Java like a master

Features of Set, When to go for Set?

  • Duplicates are not allowed.
  • Insertion order is not preserved.
public interface Set<E> extends Collection<E> { }

Implementation classes of Set interface are :

  • HashSet
  • LinkedHashSet extends HashSet

Methods of Set Interface

  • Set Interface does not have any new methods, we have to use only collection interface methods

Detailed Digram

Set in Java | Set Methods, Example - Scientech Easy

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