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Cannot Be Cast To Ljava Lang Object


A carefully designed program will never see ClassCastException. I changed one method signature and broke 25,000 other classes. public void coursename(){ Session session = HibernateUtil.getSessionFactory().getCurrentSession(); session.beginTransaction(); Query query= session.createQuery("select a.courseName,a.courseId from Semester e inner join e.course as a"); for (Iterator it = query.iterate(); it.hasNext();) { Object row[] = (Object[]) Java Collection classes like HashMap, ArrayList, Vector or Hashtable which is not using Generics. 2. http://electrictricycle.net/cannot-be/cannot-be-cast-to-ljava-lang-object-hibernate.html

Any suggestions. Since Java is an object oriented programming language and supports features like Inheritance and Polymorphism, a reference variable of type parent class can represent object of child class. Browse other questions tagged java arrays dictionary or ask your own question. Crowder May 14 '14 at 10:47 add a comment| up vote 1 down vote try: Object row = (Object)combocourse.getSelectedItem(); System.out.println("id"+row ); You only add single objects into the combocourse, not arrays http://stackoverflow.com/questions/20486641/ljava-lang-object-cannot-be-cast-to

Ljava.lang.object Cannot Be Cast To Pojo

Do you still see java.lang.ClassCastException in Generics world ? Please elaborate further on what the trouble with your returned Object is, and I would be happy to upvote this answer. –durron597 Mar 31 '15 at 15:43 Hi, thanks ClassCastException are simple like NullPointerException just look the stack-trace and go to the line number.

I believe that your query should return a List, not List. Union and Intersection of two Set in Java - Google... You can use a transformer to transform results directly to CrbtSubMasterDemo. How To Resolve Class Cast Exception In Java Heroku Gives me Error like "Push rejected, Unauthorized access." Advisor professor asks for my dissertation research source-code What do we call initial text of terminal Is it possible to bleed brakes

That's all on What is ClassCastException in Java and how to solve Exception in thread "main" java.lang.ClassCastException. Java.lang.classcastexception: [ljava.lang.object; Cannot Be Cast To + Jpa java arrays dictionary share|improve this question edited May 11 '15 at 12:08 Mureinik 104k2055105 asked Mar 29 '14 at 13:28 JackSun 2852614 add a comment| 2 Answers 2 active oldest votes Why getter and setter are better than public field... ► November ( 8 ) ► October ( 13 ) ► September ( 8 ) ► August ( 9 ) ► July http://stackoverflow.com/questions/29372228/ljava-lang-object-cannot-be-cast-to-error Add comments to a python script and make it a bilingual python/C++ “program” What do we call initial text of terminal Does every interesting photograph have a story to tell?

Can I switch from past tense to present tense in an epilogue? Cast Object To List Java Here is the relevant Hibernate documentation: Return the query results as a List. How can I avoid being chastised for a project I inherited which was already buggy, but I was told to add features instead of fixing it? How to harness Jupiter's gravitational energy?

Java.lang.classcastexception: [ljava.lang.object; Cannot Be Cast To + Jpa

My manager said I spend too much time on Stack Exchange. http://stackoverflow.com/questions/8213224/cannot-be-cast-to-ljava-lang-object Player claims their wizard character knows everything (from books). Ljava.lang.object Cannot Be Cast To Pojo But yeah, just generally, the OP should look at what methods return and use an appropriately-typed variable to store those return values in. –T.J. Java Util Arraylist Cannot Be Cast To Ljava Lang Object They need to be done step by step.

So one will be a Commerce, the next Object will be something else, etc. –durron597 Mar 31 '15 at 15:42 Oh thanks for the info. http://electrictricycle.net/cannot-be/cannot-be-applied-to-java-lang-object-int.html Find the function given its Fourier series Is the English word "ikebana" a suitable translation for "華道"? Heroku Gives me Error like "Push rejected, Unauthorized access." Prepared for Yet Another Simple Rebus? Why put a warning sticker over the warning on this product? Ljava Lang Integer

It can be best explained with an example. In this Java tutorial we will see Why java.lang.ClassCastException comes and how to resolve ClassCastException in Java. Though we can minimize and avoid java.lang.ClassCastException in Java by using Generics and writing type-safe parameterized classes and method, its good to know real cause of ClassCastException and How to solve http://electrictricycle.net/cannot-be/cannot-be-cast-to-ljava-security-cert-certificate.html Is there a name for the (anti- ) pattern of passing parameters that will only be used several levels deep in the call chain?

How to add, modify and drop column with default va... Java.lang.classcastexception Cannot Be Cast To Browse other questions tagged java swing object derby or ask your own question. But in this line: Object row[] = (Object[])combocourse.getSelectedItem(); ...you're trying to cast it to be an Object[] (array of Object) so you can store it in an Object[].

How to fix java.lang.classcastexception cannot be ...

Player claims their wizard character knows everything (from books). Your code is polluting the heap by doing this unchecked type conversion. Crowder 488k81777911 1 Object row[] = (Object[])it.next(); too... :) –TAsk May 14 '14 at 10:22 1 @TAsk: Well, I don't know the query infrastructure being used there, so for Convert Object Array To String Array Why was Susan treated so unkindly?

I changed one method signature and broke 25,000 other classes. It will select a list of object Commerce. Object[] and String) cannot be done in one step. Check This Out Why didn’t Japan attack the West Coast of the United States during World War II?

How to Split String in SQL Server and Sybase How to get current date, month, year and day of we... v.ladynev Answer Email {} Share String hql = "select c.mobile, c.password FROM CrbtSubMasterDemo c where rownum<20"; Query query = session.createQuery(hql); Result of this will be List List itr = query.list(); for See my answer, which references the Hibernate documentation. what are 'hacker fares' at a flight search-engine?

Exactly what error are you getting and on which line of your code? –metacubed May 14 '14 at 10:17 String can not be cast to Array of [email protected] which Not to mention you can't cast directly an array in Java, the objects aren't the same type anyway. List tuples = (List) query.list(); To make that works, you need to add SELECT c in your query: SELECT c from Commerce c, Categorie ca,Lieux l...