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kishore
java
1 Answer(s)      6 years and 4 months ago
Posted in : Java Beginners



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July 16, 2008 at 6:44 PM


Hi friend,

A class that is missing definitions for one or more methods. You can?t thus create an object of that class. You must first create a subclass and provide definitions for the abstract methods. Unlike interfaces, abstract classes may implement some of the methods. Though you can?t instantiate an abstract class, you can invoke its static methods.


abstract class hello{
public void display(){
}
public abstract void display1();

}
public class win extends hello{
public static void main(String args[]){
System.out.println("welcome to roseindia");
win w = new win();
w.hai();
}
public void hai(){
}

public void display1(){
}

}
class win2 extends hello{
public void display1(){
}

public void display(){
}

}


---------------------------------------------------------------

Read for more information,

http://www.roseindia.net/java/master-java/java-object-oriented-language.shtml

Thanks.


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