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Java Error Cannot Cast From Object To Int

I thought that a null Object would just yield a null Integer.... –Etienne de Martel Sep 7 '10 at 18:23 5 The NullPointerException will occur during the unboxing of Integer What are the legal consequences for a tourist who runs out of gas on the Autobahn? In car driving, why does wheel slipping cause loss of control? Hit a curb; chewed up rim and took a chunk out of tire. http://shpsoftware.com/java-error/java-error-cannot-be-cast-to-java-applet-applet.php

Home | New | Browse | Search | [?] | Reports | Requests | Help | Log In [x] | Forgot Password Login: [x] | Terms of Use | Copyright Agent Bettere to try and catch NumberFormatExcepytion. –extraneon Sep 8 '10 at 16:43 add a comment| up vote 4 down vote You have to cast it to an Integer (int's wrapper class). Is this another Java 7 change? Related 0Java Type mismatch - cannot convert from int[][] error in constructor0Error casting Object to int4Why doesn't java compiler tell 'cannot cast error' for this casting?5New to Java and have the

Object references in Java aren't like pointers in C or C++... Join them; it only takes a minute: Sign up Java 7: Cannot cast from Object to int etc up vote 2 down vote favorite I'm having a problem running someones code Can a GM prohibit players from using external reference materials (like PHB) during play?

  • What are cell phone lots at US airports for?
  • In Java 6 it has to be "(Integer) obj" instead.
  • up vote 0 down vote Maybe you should look at using List to put your data in - then getting rid of all the casting?
  • The Java compiler in Eclipse is set to 1.6 and can't be set to 1.7.
  • What is the exchange interaction?
  • As others already stated, you should cast the object to Character and not char.

ToInt is a smart method. share|improve this answer answered Mar 7 at 19:09 Pavel Vlasov 1,24031528 It is not the problem because autoboxing traduct Integer to int –Damien Chesneau Mar 7 at 19:12 3 Comment 13 Olivier Thomann 2011-07-28 10:33:02 EDT A few comments. You simply have to be sure of what kind of object you have.

share|improve this answer answered Apr 30 '14 at 8:32 MacDaddy 439216 add a comment| up vote 0 down vote There is nothing wrong with your code. You can cast it to Integer, then get the int. How to find positive things in a code review? Object object = new Integer(10); int i = (Integer) object; Note that this only works when you're using at least Java 1.5 with autoboxing feature, otherwise you have to declare i

Find the Centroid of a Polygon Why does Mal change his mind? Bonus is, you'll actually learn something yourself by real experience :) If you can't answer for sure just post a comment once you've sufficient reputation. –BalusC Mar 7 at 19:34 add Insert a period / full stop if caption argument doesn't end with one Find the Centroid of a Polygon Were students "forced to recite 'Allah is the only God'" in Tennessee Comment 6 Ayushman Jain 2011-07-27 09:50:16 EDT Created attachment 200449 [details] proposed fix The patch makes the primitive to Object conversions possible.

if true then cast it. Join them; it only takes a minute: Sign up Cannot cast from Object to int in eclipse up vote 0 down vote favorite In my android application, at line below: int While in java command line, i get a > CCE. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms get redirected here Specific word to describe someone who is so good that isn't even considered in say a classification Is foreign stock considered more risky than local stock and why? Please update question with exception stack. –Nambari Sep 13 '12 at 14:59 | show 6 more comments Your Answer draft saved draft discarded Sign up or log in Sign up Same fix as above, added more tests to check negative cases where JVM issues a CCE, and added a test to check bytecode gen.

Get the weekly newsletter! asked 1 year ago viewed 1337 times active 9 months ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver? Why does Mal change his mind? http://shpsoftware.com/java-error/java-error-object.php Everything else is fine.

How can I Avoid Being Frightened by the Horror Story I am Writing? share|improve this answer answered Sep 7 '10 at 19:15 romacafe 1,41011225 add a comment| up vote 1 down vote int[] getAdminIDList(String tableName, String attributeName, int value) throws SQLException { ArrayList list Also works fine for all legal casts such as public class Conversion { public static void main ( String[] args ) { Object a = new Integer (1); int abc =

Comment 15 Ayushman Jain 2011-08-01 01:41:57 EDT Released in HEAD for 3.8M1 and in R3_7_maintenance for 3.7.1 Comment 16 Srikanth Sankaran 2011-08-25 05:10:21 EDT Verified for 3.7.1 RC2 using build id:

Fortunately auto-boxing will handle the second conversion for you, but you still need to explicitly make the first conversion: int a = (Integer)obj; share|improve this answer edited Mar 19 '14 at Comment 12 Ayushman Jain 2011-07-28 02:44:26 EDT Created attachment 200492 [details] fix v2.1 + more tests + comments Thanks Olivier. Browse other questions tagged java android eclipse or ask your own question. This works only for numbers, thats what we needed. –Sudhakar Krishnan Feb 16 '14 at 13:03 @SudhakarK: (int) Object does only work if your object is a Integer.

If I am wrong happy to remove my answer. –Nambari Sep 13 '12 at 14:57 @Gilberto: Yes, not best solution, but I remember something like this worked. –Nambari Sep It would result in a ClassCastException with the original classname in the message. While in java command line, i get a CCE. http://shpsoftware.com/java-error/java-error-exception-in-thread-main-java-lang-noclassdeffounderror.php References are intentionally a more concrete abstraction and cannot be manipulated the way pointers can.

Nest a string inside an array n times Is foreign stock considered more risky than local stock and why? Are non-english speakers better protected from (international) Phishing? E.g. Olivier, does something more need to be done for codegen?

You're actually to Integer and then autoboxing to an int. –Steve Kuo Sep 7 '10 at 19:06 1 @Steve Kuo, Yep, exactly what I'm saying. Hot Network Questions When is it okay to exceed the absolute maximum rating on a part? Comment 5 Olivier Thomann 2011-07-26 15:35:32 EDT We should use the source level to decide if this is legal or not. Word for destroying someone's heart physically How do you grow in a skill when you're the company lead in that area? "I am finished" vs "I have finished" How to create

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