i have a jsp file below. in tere i want to create java methods to test if its number or not etcc... so my plan is to make a java class and put all my methods in there. i need some help importing the java file in jsp.
i am getting error on line:
<%@ page import = "JavaFuncti ons" %>
index.jsp
i am getting error on line:
<%@ page import = "JavaFuncti ons" %>
index.jsp
Code:
<%@ page import = "JavaFunctions" %>
<html>
<body>
<form method="post" action="index.jsp">
what's your name?<br/>
<input type="text" name="usernameField"/><br/>
what's your aga?<br/>
<input type="text" name="ageField" /><br/>
<input type="submit" name="submit" />
</form>
<%
if (request.getParameter("submit") != null) {
String username = request.getParameter("usernameField");
String number1 = request.getParameter("ageField");
//check errors
if(username.equals(""))
{
out.print("Error enter name");
}
else if(number1.equals(""))
{
out.print("Error enter age");
}
else
{
int number1I = Integer.parseInt(request.getParameter("ageField"));
out.print("answer" + number1I);
}
}
%>
</body>
</html>
Code:
public class JavaFunctions {
public JavaFunctions() {
// TODO Auto-generated constructor stub
}
public static boolean isNumber(String str)
{
try
{
int num = Integer.parseInt(str);
}
catch(NumberFormatException e)
{
return false;
}
return true;
}
}
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