Particular value exists in Java TreeSet

    /*
      Check if a particular value exists in Java TreeSet example
      This Java Example shows how to check if TreeSet object contains a particular
      value using contains method of TreeSet class.
    */
     package org.best.example;
    import java.util.TreeSet;
    
    public class CheckValueOfTreeSetExample {
    
    public static void main(String[] args) {
    
    //create TreeSet object
    TreeSet tSet = new TreeSet();
    
    //add elements to TreeSet
    tSet.add("1");
    tSet.add("3");
    tSet.add("2");
    tSet.add("5");
    tSet.add("4");
    
    /*
      To check whether a particular value exists in TreeSet use
      boolean contains(Object value) method of TreeSet class.
      It returns true if the TreeSet contains the value, otherwise false.
      */
    
    boolean blnExists = tSet.contains("3");
    System.out.println("3 exists in TreeSet ? : " + blnExists);
    }
    }
    
    /*
    Output would be
    3 exists in TreeSet ? : true
    */