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Java Class Q&A » Method » abstract 

1. Java - Can the children of an abstract class (the "extends"-ers) instantiate themselves via their parents abstract method?" i.e. m = new this();"?    stackoverflow.com

First things first, please be aware I am trying to express my question as best I can with my current knowledge and vocabulary, so please excuse this... I have an abstract class ...

2. Problems adding new method to an extending abstract class    java-forums.org

In the program class: ... URL url = new URL("http://www.google.com"); extURLConnection c = new extURLConnection(url.openConnection()); ... if (c.isConnected){ ... In URLConnection I cant access the attribute connected (that shows if i got a connection or not). so I want to add a method that return that attribute. So I created a class called extURLConnection that extends URLConnection. As method connect() is ...

3. New to abstract methods and classes, few issues    java-forums.org

public class Circle extends GeometricObject { private double radius; public Circle() { this(1.0); } public Circle(double radius) { this(radius, "white", false); } public Circle(double radius, String colour, boolean filled) { super(colour, filled); this.radius = radius; } public void setRadius(double radius) { this.radius = radius; } public double getRadius(double radius) { return this.radius; } public double findArea() { return radius * radius ...

4. Problems adding new method to abstract class    forums.oracle.com

In the program class: ... URL url = new URL("http://www.google.com"); extURLConnection c = new extURLConnection(url.openConnection()); ... if (c.isConnected){ ... In URLConnection I cant access the attribute connected (that shows if i got a connection or not). so I want to add a method that return that attribute. So I created a class called extURLConnection that extends URLConnection. As method connect() is ...

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