Click here to watch in Youtube :
https://www.youtube.com/watch?v=2kXsA2EUP0A&list=UUhwKlOVR041tngjerWxVccw
HashMapExample.java
Output
https://www.youtube.com/watch?v=2kXsA2EUP0A&list=UUhwKlOVR041tngjerWxVccw
HashMapExample.java
import java.util.HashMap; /* * Example of containsValue(Object value) method. */ public class HashMapExample { public static void main( String[] args ) { HashMap<Integer, String> hashMap = new HashMap<Integer, String>(); hashMap.put(1, "Apple"); hashMap.put(2, "Ball"); hashMap.put(3, "Cat"); System.out.println("hashMap : " + hashMap + "\n"); /* * Returns true if this map maps one or more keys to the specified * value. */ boolean isValueExist = hashMap.containsValue("Ball"); System.out.println("isValue 'Ball' Exist : " + isValueExist); isValueExist = hashMap.containsValue("Dog"); System.out.println("isValue 'Dog' Exist : " + isValueExist); } }
hashMap : {1=Apple, 2=Ball, 3=Cat} isValue 'Ball' Exist : true isValue 'Dog' Exist : false
https://sites.google.com/site/javaee4321/java-collections/HashMapDemoContainsValue.zip?attredirects=0&d=1
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