JAVA

Java How to use Set?

// Set implementation using HashSet
Set<String> animals = new HashSet<>();

Java Set

// A Java program to demonstrate a Set.
// Here, you will see how you can add
// Elements using Set.
 
import java.util.*;
 
public class SetExample {
   
    public static void main(String[] args)
    {
        // Set demonstration using HashSet
        Set<String> Set = new HashSet<String>();
         
        // Adding Elements 
        Set.add("one");
        Set.add("two");
        Set.add("three");
        Set.add("four");
        Set.add("five");
         
        // Set follows unordered way.
        System.out.println(Set);
    }
}

set java

A Set is a Collection that cannot contain duplicate elements.
  
The Set interface contains only methods inherited from Collection 
and adds the restriction that duplicate elements are prohibited.

what does .set do in java

public E set(int index, E element)
  //The set() method of 
  //java.util.ArrayList class is used to replace the 
  //element at the specified position in this list with 
  //the specified element.