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Cannot Cast From Object To Int In Jsp

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Teenage daughter refusing to go to school In a company crossing multiple timezones, is it rude to send a co-worker a work email in the middle of the night? The only way to do that is with one of the number Objects like such String num = "12345"; int num = Integer.parseInt(num); But you have to be careful with that more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation If not and you try call anything on it or you try to assign it to some int or pass it to some method expecting int, the NPE is natural. http://electrictricycle.net/how-to/cannot-cast-from-object-to-int-jsp.html

if (userid == 1) { ... } %> share|improve this answer edited Nov 21 '13 at 5:23 answered Nov 21 '13 at 5:17 SpringLearner 10.7k94374 That gave me this Reply Submitted by Anonymous (not verified) on November 2, 2012 - 5:23am Permalink works great.. Can I switch from past tense to present tense in an epilogue? Re: unable to send integer value from action class to jsp 858551 Apr 29, 2011 9:54 AM (in response to r035198x) hey, when i ve changed int numberofcols = Integer.parseInt(request.getAttribute("noOfCols")); to see here

How To Convert Session Variable Into Integer In Java

system 2014-10-08 00:32:05 UTC #17 Home Categories FAQ/Guidelines Terms of Service Privacy Policy Powered by Discourse, best viewed with JavaScript enabled Shop Versioning Reference Articles Premium Skip navigationOracle Community DirectoryOracle Community Newton's second law for individual forces Why did the best potions master have greasy hair? Do you check it for null ? Related 167How do you import classes in JSP?239JSP tricks to make templating easier?128How to get parameters from the URL with JSP0JSP session variables set in a secure page 'https' are not

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Articles Forum New Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links Today's Posts Blogs Advanced Search Forum Java Programming New To Java Object to Int casting Results 1 to Re: unable to send integer value from action class to jsp r035198x Apr 29, 2011 9:28 AM (in response to 858551) You didn't follow all the steps suggested above. On verses, from major Hindu texts, similar in purport with the verses and messages found in the Bhagawat Gita Is there a name for the (anti- ) pattern of passing parameters It wasn't something like "4.3" was it? // Conversion of real-number formats to integers is // left as an excercise. :) } Then on the query end, you can just do:

int i =Integer.parseInt( object.toString() ); so, you first convert objet to string the string to int or double... How To Convert Session Object To Int In Java Probability of All Combinations of Given Events What is exactly meant by a "data set"? String sample = ""+samplevar// You should better stick with a number object type: Integer sample = new Integer(samplevar ); // or leave conversion to autoboxing (java 1.5+) Integer sample = samplevar I went through the same thing trying to do calculations and processing, like connecting directly to JDBC, right in JSPs, very bad idea.

How To Set Integer Value In Session In Java

works great.. The version with parseInt will throw the same exception if session.getAttribute("test") returns null. How To Convert Session Variable Into Integer In Java n-dimensional circles! How To Pass Integer Value From Servlet To Jsp Reply Submitted by Anonymous (not verified) on September 30, 2009 - 10:42am Permalink Thanks man Thanks man Reply Submitted by Anonymous (not verified) on November 2, 2009 - 2:47am Permalink Simple

This is what I have got so far: <% String printMessage= page.getParameter( message ); out.print(printMessage); %> This should just output Hello Word, but I get the what was I going to say again? Links: front page me on twitter search privacy java java applets java faqs misc content java source code test projects lejos Perl perl faqs programs perl recipes perl tutorials   Unix up vote 0 down vote favorite I couldn't figure out a way to do this in EL/JSTL so when I do this: <% int myIntPrimitiveValue = pageContext.getAttribute("myDataObject.myIntPrimitiveValue"); MyEnumObject myEnumInstance = myEnumObject.get(myIntPrimitiveValue); How To Typecast In Jsp

Reply With Quote « comparing inputting strings from Joptionpane and if statement | Addition Problem » Similar Threads type casting By alvations in forum New To Java Replies: 1 share|improve this answer edited May 17 '11 at 14:34 answered May 17 '11 at 13:19 Costi Ciudatu 20.7k43366 I am getting NullPointerException after second statement too. –a k May posted 14 years ago Save yourself some trouble. weblink Find the function given its Fourier series Without opening the PHB, is there a way to know if it's a particular printing?

Join them; it only takes a minute: Sign up Why does my JSP scriptlet fail to retrieve an int from the pageContext and cast it to a locally scoped primitive variable? How To Get Session Attribute In Jsp From Servlet Otherwise, if it is a Double and is simply being referenced as an Object (i.e. All three variations print the same value, of course.

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it accepts a String! If you have any questions or comments, just leave a note in the Comments section below. Reply With Quote 12-05-2008,10:07 PM #3 serjant Senior Member Join Date Jun 2008 Location Ukraine,Zaporozhye Posts 487 Rep Power 9 I suppose that should work Java Code: int level=Integer.parseInt(request.getAttribute("intLevel").toString); Reply With Jsp Cast Object up vote 7 down vote favorite 1 I have stored user id in Session using following command in Servlet: HttpSession session = request.getSession(); session.setAttribute("user", user.getId()); Now, I want to access that

dc_dalton 2005-03-14 23:40:30 UTC #13 YES BUT AGAIN :::::::::::::::::::::::::::: Double.parseDouble DOES NOT ACCEPT a number ......... Why is this C++ code faster than my hand-written assembly for testing the Collatz conjecture? For example: int myIntPrimitiveValue = Integer.valueOf("" + pageContext.getAttribute("...")); share|improve this answer edited Dec 21 '11 at 23:38 answered Dec 21 '11 at 23:25 smas 13.5k83556 add a comment| up vote 0 I bet ya its NOT a request object! ....

Leveling Pokemon using the Lumiose Tower infinite loop path What do we call initial text of terminal What is the total sum of the cardinalities of all subsets of a set? Page 1 of 1 New Topic/Question Reply 3 Replies - 14155 Views - Last Post: 09 September 2010 - 01:11 AM Rate Topic: #1 Dean_Grobler D.I.C Regular Reputation: 39 Posts: Why is this C++ code faster than my hand-written assembly for testing the Collatz conjecture? more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation

Without opening the PHB, is there a way to know if it's a particular printing? but they all give me a null pointer exception. java.lang.Integer iVersion = null; try { iVersion = new Integer( browserVersion ); session.setAttribute("BrowserVer", iVersion); } catch ( NumberFormatException nfe ) { // hmmm... Integer userid = (Integer) session.getAttribute("user"); User user = null; if (userid != null) { user = new UserDAO().getUser(userid); } // here user will be null if no userid has been stored

Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 YearOldest FirstNewest First Forum Index -> Java,Struts framework, Velocity, JSF, Hibernate, Servlet, JSP, javaBeans Please turn JavaScript back on and reload this page. Posted 08 September 2010 - 11:56 PM If the object is not a Double then we would have to know what it is. How can I prove its value?

Re: unable to send integer value from action class to jsp 858551 Apr 29, 2011 10:08 AM (in response to supratim) thnks understood. HERE ........ rozner 2005-03-13 21:43:38 UTC #5 I think the tag has a scope attribute, though I could be wrong, but if I'm right then this should work