Skip to Content
Home » Java Collections And Data Structures ( java.util package ) » LinkedHashSet » Check if a particular element exists in Java LinkedHashSet Example

Check if a particular element exists in Java LinkedHashSet Example

  1. /*
  2.   Check if a particular element exists in Java LinkedHashSet Example
  3.   This Java Example shows how to check whether an elements is contained in Java
  4.   LinkedHashSet using contains method.
  5. */
  6.  
  7. import java.util.LinkedHashSet;
  8.  
  9. public class CheckElementLinkedHashSetExample {
  10.  
  11.   public static void main(String[] args) {
  12.  
  13.     //create object of LinkedHashSet
  14.     LinkedHashSet lhashSet = new LinkedHashSet();
  15.    
  16.     //add elements to LinkedHashSet object
  17.     lhashSet.add(new Integer("1"));
  18.     lhashSet.add(new Integer("2"));
  19.     lhashSet.add(new Integer("3"));
  20.  
  21.     /*
  22.       To check whether a particular value exists in LinkedHashSet use
  23.       boolean contains(Object value) method of LinkedHashSet class.
  24.       It returns true if the LinkedHashSet contains the value, otherwise false.
  25.     */
  26.    
  27.     boolean blnExists = lhashSet.contains(new Integer("3"));
  28.     System.out.println("3 exists in LinkedHashSet ? : " + blnExists);
  29.  
  30.   }
  31. }
  32.  
  33. /*
  34. Output would be
  35. 3 exists in LinkedHashSet ? : true
  36. */

Receive Latest Java examples in your email: 

Related Java Examples

Simple Java LinkedHashSet example
Remove all elements from Java LinkedHashSet example
Remove specified element from Java LinkedHashSet example
Get Size of Java LinkedHashSet Example
Iterate through elements of Java LinkedHashSet example
Copy all elements of Java LinkedHashSet to an Object Array Example
Check if a particular element exists in Java HashSet Example
LinkedHashSet