Click here to watch in Youtube :
https://www.youtube.com/watch?v=I-Bx5blzft8&list=UUhwKlOVR041tngjerWxVccw
GenericDemo.java
https://sites.google.com/site/ramj2eev1/home/javabasics/GenericsDemo_Map_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/GenericsDemo_Map_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/47d09ebb24294f7b507419345f38ec4cde27d544/BasicJava/GenericsDemo_Map_App/?at=master
See also:
All JavaEE Viedos Playlist
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Java Collection Framework Tutorial
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Kids Tutorial
https://www.youtube.com/watch?v=I-Bx5blzft8&list=UUhwKlOVR041tngjerWxVccw
GenericDemo.java
import java.util.HashMap; import java.util.Iterator; import java.util.Map; import java.util.Set; /* * Example of Java Generics using Map */ public class GenericDemo { public static void main(String[] args) { Map<Integer, String> map = new HashMap<Integer, String>(); map.put(1, "Peter"); map.put(2, "Stephan"); map.put(3, "Sara"); Set<Map.Entry<Integer, String>> set = map.entrySet(); Iterator<Map.Entry<Integer, String>> itr = set.iterator(); while (itr.hasNext()) { // no need to typecast Map.Entry<Integer, String> e = itr.next(); System.out.println(e.getKey() + " " + e.getValue()); } } }Output
1 Peter 2 Stephan 3 SaraClick the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/GenericsDemo_Map_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/GenericsDemo_Map_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/47d09ebb24294f7b507419345f38ec4cde27d544/BasicJava/GenericsDemo_Map_App/?at=master
See also:
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