Showing posts with label constructor and inheritance in hava. Show all posts
Showing posts with label constructor and inheritance in hava. Show all posts

Saturday, 17 December 2011

JSP Examples Tutorial - Working With Constructors and Inheritance 


<HTML>
    <HEAD>
        <TITLE>Working With Constructors and Inheritance</TITLE>
    </HEAD>
    <BODY>
        <H1>Working With Constructors and Inheritance</H1>
        <%!
            javax.servlet.jsp.JspWriter localOut;
 
            class BaseClass
            {
                BaseClass() throws java.io.IOException 
                {
                    localOut.println("In a\"s constructor...<BR>");
                }
                BaseClass(String s)  throws java.io.IOException
                {
                    localOut.println("In a\"s String constructor...<BR>");
                    localOut.println(s);
                }
            }
 
            class DerivedClass extends BaseClass  
            {
                DerivedClass(String s) throws java.io.IOException 
                {
                    super(s);
                    localOut.println("In b\"s String constructor...<BR>");
                    localOut.println(s);
                }
            }
        %>     
        <%
            localOut = out;     
            DerivedClass obj = new DerivedClass("Hello from JSP!<BR>");
        %>
    </BODY>
</HTML>
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