Click here to watch in Youtube :
https://www.youtube.com/watch?v=L9JcpU_QXuo&list=UUhwKlOVR041tngjerWxVccw
HashMapExample.java
Output
https://www.youtube.com/watch?v=L9JcpU_QXuo&list=UUhwKlOVR041tngjerWxVccw
HashMapExample.java
import java.util.HashMap; /* * Example of put(K key,V value) method. */ public class HashMapExample { public static void main( String[] args ) { HashMap<Integer, String> hashMap = new HashMap<Integer, String>(); /* * Associates the specified value with the specified key in this map. If * the map previously contained a mapping for the key, the old value is * replaced. */ hashMap.put(1, "Apple"); hashMap.put(3, "Cat"); hashMap.put(2, "Ball"); System.out.println("hashMap : "+hashMap); } }
hashMap : {1=Apple, 2=Ball, 3=Cat}
https://sites.google.com/site/javaee4321/java-collections/HashMapDemoPut.zip?attredirects=0&d=1
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