Click here to watch in Youtube :
https://www.youtube.com/watch?v=RA-2gwBjlPk&list=UUhwKlOVR041tngjerWxVccw
Click the below Image to Enlarge
Java Tutorial: Generics in java | Java Generics [Unknown wildcard in Java Generics] |
import java.util.ArrayList; import java.util.List; public class GenericDemo { public static void main(String[] args) { GenericDemo genericDemo = new GenericDemo(); ArrayList<Integer> numberList = new ArrayList<Integer>(); numberList.add(100); numberList.add(200); genericDemo.processElements(numberList); System.out.println("--------------------------------"); ArrayList<String> nameList = new ArrayList<String>(); nameList.add("Peter"); nameList.add("Ram"); genericDemo.processElements(nameList); } public void processElements(List<?> list) { for (Object o : list) { System.out.println(o); } } }Output
100 200 -------------------------------- Peter RamClick the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/GenericsDemo_unknown_wildcard_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/GenericsDemo_unknown_wildcard_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/539015917c8406e4be671410d713073b3971d1a5/BasicJava/GenericsDemo_unknown_wildcard_App/?at=master
See also:
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