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/* Check if a particular value exists in Java LinkedHashMap example This Java Example shows how to check if LinkedHashMap object contains a particular value using containsValue method of LinkedHashMap class. */ import java.util.LinkedHashMap; public class CheckValueOfLinkedHashMapExample { public static void main(String[] args) { //create LinkedHashMap object LinkedHashMap lHashMap = new LinkedHashMap(); //add key value pairs to LinkedHashMap lHashMap.put("1","One"); lHashMap.put("2","Two"); lHashMap.put("3","Three"); /* To check whether a particular value exists in LinkedHashMap use boolean containsValue(Object key) method of LinkedHashMap class. It returns true if the value is mapped to one or more keys in the LinkedHashMap otherwise false. */ boolean blnExists = lHashMap.containsValue("Two"); System.out.println("Two exists in LinkedHashMap ? : " + blnExists); } } /* Output would be Two exists in LinkedHashMap ? : true */ |
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