To Use Superclass Variables With Subclassed Objects

<%! javax.servlet.jsp.JspWriter pw; class Rectangle { public void areaOfRectangle() throws java.io.IOException { pw.println("Starting...
"); } } class Square extends Rectangle { public void area() throws java.io.IOException { pw.println("Creating...
"); } } class Triangle extends Square { public void area() throws java.io.IOException { pw.println("Creating...
"); } } %> <% pw = out; out.println(); out.println("Creating an Area...
"); Rectangle p = new Triangle(); p.areaOfRectangle(); %>