Saturday, 17 December 2011

JSP Examples Tutorial - Overriding Methods in derived class


<HTML>
    <HEAD>
        <TITLE>Overriding Methods in derived class</TITLE>
    </HEAD>
    <BODY>
        <H1>Overriding Methods</H1>
        <%!
            javax.servlet.jsp.JspWriter localOut;
            class BaseClass
            {
                public void print()  throws java.io.IOException 
                {
                    localOut.println("print in base...<BR>");
                }
            }
            class DerivedClass extends BaseClass
            {
                public void print()  throws java.io.IOException 
                {
                    localOut.println("print in Derived class...<BR>");
                }
            }
        %>     
        <%
            localOut = out;     
            out.println("Creating an animal object...<BR>");
            BaseClass a = new BaseClass();
            a.print();
            out.println();
            out.println("Creating a trout object...<BR>");
            DerivedClass t = new DerivedClass();
            t.print();
        %>
    </BODY>
</HTML>

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