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Views: 537 | Replies: 3
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Join Date: Nov 2007
Posts: 2
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Newbie Poster
Hello,
I've been trying to figure this out but still no luck, can anyone see what im doing wrong here?, the if statement just isn't working!
Thanks,
I've been trying to figure this out but still no luck, can anyone see what im doing wrong here?, the if statement just isn't working!
Thanks,
<% String name = request.getParameter("username"); %>
<% if ("name" == null) { %>
<jsp:forward page = "invalid.jsp"/>
<% } %>
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Join Date: Feb 2006
Posts: 1,378
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Rep Power: 8
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What are you trying to accomplish with
Comparing a string literal to null will always be false.
if ("name" == null) Java Programmer and Sun Systems Administrator
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Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.
--Brian Kernighan
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Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.
--Brian Kernighan
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Join Date: Nov 2007
Posts: 2
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Rep Power: 0
Solved Threads: 0
Newbie Poster
trying to see is "name" null.
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Join Date: Feb 2006
Posts: 1,378
Reputation:
Rep Power: 8
Solved Threads: 120
Well "name" (when you use quotes) is a value not a variable. So the value "name" will never be equal to the value null.
Java Programmer and Sun Systems Administrator
----------------------------------------------
Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.
--Brian Kernighan
----------------------------------------------
Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.
--Brian Kernighan
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