Check if a particular value exists in Java TreeSet example
- /*
- 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.
- */
- 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
- */
