LinkedHashSet isEmpty() method in Java

The Java.util.LinkedHashSet.isEmpty() method is used to check if a LinkedHashSet is empty or not. It returns True if the LinkedHashSet is empty otherwise it returns False.

Syntax:

Linked_Hash_Set.isEmpty()

Parameters: This method does not take any parameter



Return Value: The function returns True if the set is empty else returns False.

Below program illustrate the Java.util.LinkedHashSet.isEmpty() method:

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// Java code to illustrate contains()
import java.io.*;
import java.util.LinkedHashSet;
  
public class LinkedHashSetDemo {
    public static void main(String args[])
    {
        // Creating an empty LinkedHashSet
        LinkedHashSet<String> set = new LinkedHashSet<String>();
  
        // Use add() method to add elements into the Set
        set.add("Welcome");
        set.add("To");
        set.add("Geeks");
        set.add("4");
        set.add("Geeks");
  
        // Displaying the LinkedHashSet
        System.out.println("LinkedHashSet: " + set);
  
        // Check for the empty set
        System.out.println("Is the set empty: " + set.isEmpty());
  
        // Clearing the set using clear() method
        set.clear();
  
        // Again Checking for the empty set
        System.out.println("Is the set empty: " + set.isEmpty());
    }
}

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Output:

LinkedHashSet: [Welcome, To, Geeks, 4]
Is the set empty: false
Is the set empty: true


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