Multiple Methods in Jsp
Jsp is used mainly for presentation logic. In the jsp
we can declare methods just like as we declare methods in java classes. Methods
can be declared in either declaration directive or we can declare it in
scriptlet. If we declare method inside declaration directive, then the method is
applicable in the whole page.
In this example you will learn how to declare multiple method in
jsp that prints the sum of two numbers. and subtraction of
two numbers. <%! -----------%> this is a declaration tag. All the methods
and variables are declared within this tag. <% ------- %>This tag is
known as Scriplets . We can embed any amount of java code in the JSP
Scriptlets. In this example method addNum() returns sum of two numbers and
method subtractNum returns subtraction of two numbers. In this example we have
declared the following method named addNum(int i, int b) and subtractNum(int i,
int b) which will return int. In the first method we are adding two numbers and
in the second method we are subtracting two numbers. The output will be
displayed to you by using the out implicit object which is used to write the
content on the browser.
<HTML>
<HEAD>
<TITLE>Declaring Multiple Methods</TITLE>
</HEAD> <BODY>
<font size="6" color ="#330099">Multiple Methods in Jsp</font><br>
<%!
int addNum(int N1, int N2)
{
return N1 + N2;
}
int subtractNum(int N1, int N2)
{
return N1 - N2;
}
%>
<%
out.println("5 + 2 = " + addNum(5, 2) + "<BR>");
out.println("8 - 5 = " + subtractNum(8, 5) + "<BR>");
%>
</BODY>
</HTML>
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output of the program is given below:
Download this example.
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