Using Abstract Classes : Class in JSP Page « JSP « Java Tutorial

        <TITLE>Using Abstract Classes</TITLE>

        <H1>Using Abstract Classes</H1>

            javax.servlet.jsp.JspWriter localOut;

            abstract class a
                abstract String getText() throws;

                public void printem() throws 

            class b extends a
                String getText() throws 
                    return "Hello from JSP!";
            localOut = out;     

            b bObject = new b();


23.14.Class in JSP Page
23.14.1.Using Inheritance
23.14.2.Using Restricted Access
23.14.3.Calling Superclass Constructors
23.14.4.Using Parameterized Constructors
23.14.5.Working With Constructors and Inheritance
23.14.6.Overloading Methods
23.14.7.Overriding Methods in derived class
23.14.8.Using Superclass Variables With Subclassed Objects
23.14.9.Runtime Polymorphism
23.14.10.Using Abstract Classes
23.14.11.Creating a Java Interface