LinkedHashSet add(K) in Java

add(K): This method is available in java.util.LinkedHashSet class of Java.

Syntax:

boolean java.util.HashSet.add(K e)

This method takes one argument. This method adds the specified element to this set if it is not already present.

Parameters: One parameter is required for this method.

e: the element to be added to this set.

Returns: true if this set did not already contain the specified element.

Exceptions: NA

Approach

Java

import java.util.LinkedHashSet;

public class LinkedHashSetadd {
    public static void main(String[] args) {

        LinkedHashSet<String> linkedHashSet = 
                       new LinkedHashSet<>();

        linkedHashSet.add("Hello");
        linkedHashSet.add("Java");

        System.out.println(linkedHashSet);

    }
}

Output:

[Hello, Java]