Skip to content
Related Articles

Related Articles

Improve Article
Save Article
Like Article

SortedSet contains() method in Java with Examples

  • Last Updated : 21 Jan, 2021

The contains() method is used to check whether a specific element is present in the SortedSet or not. So basically it is used to check if a SortedSet contains any particular element.

Syntax:  

Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more,  please refer Complete Interview Preparation Course.

boolean contains(Object element)

Parameters: The parameter element is of the type of SortedSet. This is the element that needs to be tested if it is present in the set or not.

Return Value: The method returns true if the element is present in the set else return False.



Note: The contains() method in SortedSet is inherited from the Set interface in Java.

Below program illustrate the Java.util.Set.contains() method: 

Java




// Java code to illustrate
// SortedSet.contains() method
 
import java.io.*;
import java.util.*;
 
public class SortedSetDemo {
    public static void main(String args[])
    {
 
        // Creating an empty Set
        SortedSet<String> set
            = new TreeSet<String>();
 
        // Using 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 Set
        System.out.println("Set: " + set);
 
        // Check for "Geeks" in the set
        System.out.println(
            "Does the Set contains 'Geeks'? "
            + set.contains("Geeks"));
 
        // Check for "4" in the set
        System.out.println(
            "Does the Set contains '4'? "
            + set.contains("4"));
 
        // Check if the Set contains "No"
        System.out.println(
            "Does the Set contains 'No'? "
            + set.contains("No"));
    }
}
Output: 
Set: [4, Geeks, To, Welcome]
Does the Set contains 'Geeks'? true
Does the Set contains '4'? true
Does the Set contains 'No'? false

 

Reference: https://docs.oracle.com/javase/7/docs/api/java/util/Set.html#contains(java.lang.Object) 
 




My Personal Notes arrow_drop_up
Recommended Articles
Page :

Start Your Coding Journey Now!