Java Tutorial : Java abstract class(shape)

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Java Tutorial : Java abstract class(shape)

Shape.java

public abstract class Shape
{
    abstract void draw();

}

class Rectangle extends Shape
{
    @Override
    void draw()
    {
        System.out.println("Drawing Rectangle...");
    }
}

class Circle extends Shape
{
    @Override
    void draw()
    {
        System.out.println("Drawing Circle...");
    }
}

AbstractClassTest.java

public class AbstractClassTest
{

    public static void main(String[] args)
    {
        Shape shapeRef = new Rectangle();
        shapeRef.draw();
        
        shapeRef = new Circle();
        shapeRef.draw();
    }

}

Output

Drawing Rectangle...
Drawing Circle...

Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/AbstractClassDemo_Shape_App.zip?attredirects=0&d=1

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

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/4fab84407fb3cd7dfdf1a3243491a9e829c4d749/BasicJava/AbstractClassDemo_Shape_App/?at=master

See also:

All JavaEE Viedos Playlist

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Java Collection Framework Tutorial

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