Add Elements To Hash Map In Java Example

Chapter: Collections Last Updated: 25-06-2016 21:15:16 UTC

Program:

            /* ............... START ............... */
                
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;

public class JavaAddElementToHashMap {

	public static void main(String[] args) {
		HashMap hashMap = new HashMap();
		hashMap.put(1, "Jack");
		hashMap.put(2, "Mary");
		hashMap.put(3, "Betty");

		if (!hashMap.isEmpty()) {

			Iterator it = hashMap.entrySet().iterator();

			while (it.hasNext()) {

				Map.Entry obj = (Entry) it.next();
				System.out.println(obj.getValue());
			}
		}
	}
}
                /* ............... END ............... */
        

Output

Jack
Mary
Betty

Tags

Collection, Add Elements To Hash Map, Java

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