import java.util.HashMap;
public class CheckIfAParticularValue {
public static void main(String[] args) {
// TODO Auto-generated method stub
HashMap hMap = new HashMap();
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);
}
}
Console：
Two exists in HashMap ? : true
