Friday, 12 May 2017

Java Tutorial: Generics in java | Java Generics [Generics Introduction]


Click here to watch in Youtube :
https://www.youtube.com/watch?v=Eo8W1Cfok1Q&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge
Java Tutorial: Generics in java | Java Generics [Generics Introduction] 
Java Tutorial: Generics in java | Java Generics [Generics Introduction] 
NonGenericDemo.java
import java.util.ArrayList;

public class NonGenericDemo
{
    public static void main(String[] args)
    {
        ArrayList arrayList = new ArrayList();
        arrayList.add("Peter");
        arrayList.add(new Integer(10));
        System.out.println(arrayList);
        String stringValue = (String)arrayList.get(0);
        Integer integerValue = (Integer)arrayList.get(1);
        System.out.println("stringValue  = " +stringValue);
        System.out.println("integerValue = " +integerValue);
    }
}
Output
[Peter, 10]
stringValue  = Peter
integerValue = 10
GenericDemo.java
import java.util.ArrayList;

public class GenericDemo
{
    public static void main(String[] args)
    {
        ArrayList<String> arrayList = new ArrayList<String>();
        arrayList.add("Peter");
        arrayList.add("Ram");
        System.out.println(arrayList);
        String stringValue = arrayList.get(0);
        System.out.println("stringValue = " +stringValue);
    }
}
Output
[Peter, Ram]
stringValue = Peter
Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/GenericsDemo_Intro_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/GenericsDemo_Intro_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/47d09ebb24294f7b507419345f38ec4cde27d544/BasicJava/GenericsDemo_Intro_App/?at=master

See also:
  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • All JAVA EE Links
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
  • Kids Tutorial
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