declaration.jsp.

Enterprise Java
Tag Libraries: JSPs in the Enterprise
by Dion Almaer
Listing 1. declaration.jsp.


<%!
    // Method to calculate the fibonacci sequence
    public static int calculateFibonacci( int num ) {

       if (num <= 0) return 0;
       if (num == 1) return 1;

       int previous1 = 1, previous2 = 0, fib = 0;

       for (int i=2; i <= num; i++) {
            // the fib is the answer of the previous two answers
            fib = previous1 + previous2;

            // reset the previous values
            previous2 = previous1;
            previous1 = fib;
       }

       return fib;
    }
%>

<html>
<head><title> Fibonnaci via a declaration</title></head>

<body>

<h1>Fibonnaci via a declaration</h1>

<br/>

<% for (int x=0; x < 10; x++) { %>
       Fibonacci[<%= x %>] = <%= calculateFibonacci( x ) %><br/>
<% } %>

</body>
</html>

About the Author

Dion Almaer is a senior consultant for CustomWare in Boulder, CO. He can be reached at dion@customware.com.

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