ConcurrentSkipListSet.equals(Object o)

// Java Program Demonstrate equals()
// method of ConcurrentSkipListSet
  
import java.util.NavigableSet;
import java.util.concurrent.ConcurrentSkipListSet;
  
class ConcurrentSkipListSetEqualsExample1 {
    public static void main(String[] args)
    {
  
        // Initializing the set
        ConcurrentSkipListSet<Integer>
            set = new ConcurrentSkipListSet<Integer>();
  
        // Adding elements to this set
        set.add(10);
        set.add(35);
        set.add(20);
        set.add(25);
  
        // Creating a descending set object
        NavigableSet<Integer> des_set = set.descendingSet();
  
        // Checking if the set and des
        if (set.equals(des_set))
            System.out.println("Both the sets are equal");
        else
            System.out.println("Both the sets are not equal");
  
        // Printing the elements of the set
        System.out.println("Contents of the set: " + set);
  
        // Printing the elements of the descending set
        System.out.println("Contents of the descending set: " + 
                                                      des_set);
    }
}

Both the sets are equal
Contents of the set: [10, 20, 25, 35]
Contents of the descending set: [35, 25, 20, 10]

// Java Program Demonstrate equals()
// method of ConcurrentSkipListSet
  
import java.util.NavigableSet;
import java.util.concurrent.ConcurrentSkipListSet;
  
class ConcurrentSkipListSetEqualsExample2 {
    public static void main(String[] args)
    {
  
        // Initializing the set
        ConcurrentSkipListSet<Integer>
            set1 = new ConcurrentSkipListSet<Integer>();
  
        ConcurrentSkipListSet<Integer>
            set2 = new ConcurrentSkipListSet<Integer>();
  
        // Adding elements to first set
        set1.add(10);
        set1.add(35);
        set1.add(20);
        set1.add(25);
  
        // Adding elements to second set
        set2.add(35);
        set2.add(20);
        set2.add(25);
  
        // Checking if the set and des
        if (set1.equals(set2))
            System.out.println("Both the sets are equal");
        else
            System.out.println("Both the sets are not equal");
  
        // Printing the elements of the set
        System.out.println("Contents of the first set: " + 
                                                      set1);
  
        // Printing the elements of the descending set
        System.out.println("Contents of the second set: " + 
                                                      set2);
    }
}

Both the sets are not equal
Contents of the first set: [10, 20, 25, 35]
Contents of the second set: [20, 25, 35]