Check if a particular value exists in HashMap - Java Collection Framework

Java examples for Collection Framework:HashMap

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Description

Check if a particular value exists in HashMap

Demo Code


import java.util.HashMap;
 
public class Main {
 
  public static void main(String[] args) {
    HashMap hMap = new HashMap();
   //from   w w  w .  j a va  2  s . c  o  m
    hMap.put("1","One");
    hMap.put("2","Two");
    hMap.put("3","Three");
   
    boolean blnExists = hMap.containsValue("Two");
    System.out.println("Two exists in HashMap ? : " + blnExists);
  }
}

Result


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