Java : Collection Framework : HashMap (Put)

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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);

    }
}

Output

hashMap : {1=Apple, 2=Ball, 3=Cat}

To Download HashMapDemoPut Project Click the below link
https://sites.google.com/site/javaee4321/java-collections/HashMapDemoPut.zip?attredirects=0&d=1

See also:

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