Home > Java Lang Classcastexception Java Util Arraylist > Java.lang.classcastexception Java.util.arraylist Cannot Be Cast To Java.util.set

Java.lang.classcastexception Java.util.arraylist Cannot Be Cast To Java.util.set

and my problem remains as it is. –Neha Aug 13 '14 at 10:09 add a comment| up vote 0 down vote your program having typecasting issue on below lines. How can I take a powerful plot item away from players without frustrating them? Since due to polymorphism in Java an Object instance can hold any type of Object but you can only cast between same type. What is Constructor in Java with Example - Constru... http://pgexch.com/java-lang-classcastexception-java-util-arraylist/java-lang-classcastexception-java-util-arraylist-cannot-be-cast-to-java-util-hashmap.html

USA 2016 election demographic data Should I allow my child to make an alternate meal if they do not like anything served at mealtime? Is there a word for being sad about knowing that the things that make you happy will eventually go away Are there still systems around with a /bin/sh binary? If you say the sentence 'A list is a type of integer' it doesn't make sense. However, this common ancestry does not mean that you can substitute one where the other is expected.

Reply With Quote 08-07-2013,04:31 PM #8 vector_ever Senior Member Join Date Jul 2013 Posts 188 Rep Power 4 Re: HashSet cannot be cast to java.util.ArrayList Yes, you will get an error Thanks! Posted By tech-ebooks (0 replies) 11-07-2016, 03:51 PM in Reviews / Advertising
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Join them; it only takes a minute: Sign up How to fix: java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.lang.Integer up vote 1 down vote favorite I encountered a problem when I Reply With Quote 08-07-2013,03:26 PM #2 Tolls Moderator Join Date Apr 2009 Posts 13,005 Rep Power 23 Re: HashSet cannot be cast to java.util.ArrayList Java Code: list.add(set); That doesn't convert kind regards, Jos gimbal2 likes this. Many of advanced Java IDE like Eclipse and Netbeans will give you hyperlink to navigate till culprit line number in Java file.

Automated exception search integrated into your IDE Test Samebug Integration for IntelliJ IDEA 0 mark I have 2 mapped entities: EntityA [ id:long, testMap:Map, some other properties ] EntityB [ id:long, How to reply? for your solution you can use addAll method in vector to add elements in arraylist –Vinay Lodha Jun 3 '14 at 11:03 Yes, you do not understand "cast". http://stackoverflow.com/questions/26448110/java-lang-classcastexception-java-util-arraylist-cannot-be-cast-to-java-lang-st if you want add the arraylist objects to some other arryalist.

Let's see a sample code which will throw ClassCastException in Java: Object imObject = new String(); Integer i = (Integer) imObject; Above code will throw Exception in thread "main" java.lang.ClassCastException: java.lang.String And the full stacktrace? –Mureinik Oct 19 '14 at 6:55 i have added full stacktrace and little more description –u12345 Oct 19 '14 at 7:21 1 possible duplicate Automated exception search integrated into your IDE Test Samebug Integration for IntelliJ IDEA Root Cause Analysis java.lang.ClassCastException java.util.ArrayList cannot be cast to java.lang.Long at org.hibernate.type.LongType.set() Hibernate QueryLoader.list org.hibernate.type.LongType.set(LongType.java:42) org.hibernate.type.NullableType.nullSafeSet(NullableType.java:136) org.hibernate.type.NullableType.nullSafeSet(NullableType.java:116) org.hibernate.param.PositionalParameterSpecification.bind(PositionalParameterSpecification.java:39) How to find middle element of LinkedList in Java i...

Powered by Blogger. http://stackoverflow.com/questions/24013404/java-util-arraylist-cannot-be-cast-to-java-util-vector Why is Professor Lewin correct regarding dimensional analysis, and I'm not? Comment 3 _ potingwu 2008-11-06 21:51:09 UTC The Faces Model does not fire such event, xam does: at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at org.netbeans.modules.xml.xam.AbstractModel$Transaction.fireCompleteEventSet(AbstractModel.java:488) I think 'jsf.navigation' needs to handle it properly. here is the unexpected exception thrown ": java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Double" November 5, 2015 at 7:24 AM Manjula said... [Ljava.lang.String; cannot be cast to java.util.Collection August 21, 2016

Reply With Quote 08-07-2013,04:13 PM #7 JosAH Moderator Join Date Sep 2008 Location Voorschoten, the Netherlands Posts 14,331 Blog Entries7 Rep Power 25 Re: HashSet cannot be cast to java.util.ArrayList Originally have a peek at these guys As the error says, an ArrayList is not a a type of Integer and cannot be cast to one. What is a satisfactory result of penetration testing assessment? if B extends A, then you might think that you can cast List[B] to List[A], but I think that you actually cannot.

ThreadLocal in Java. How to Count Occurrences of a Character in String ... Accept & Close NetBeans IDE NetBeans Platform Plugins Docs & Support Community Partners HOME / Bugzilla [?] | New | Browse | Search | Reports | Help | Log In First check over here Inversion of Control and Dependency Injection desi...

Boss sends a birthday message. Common source of java.lang.ClassCastException Following are some of the most common source of ClassCastExcepiton in Java: 1. Why (exactly) do you feel you need to convert your Set into a List?

You cannot, eg, cast a reference to a HashMap to make it a LinkedHashMap reference, but you can cast a reference to a LinkedHashMap to be a HashMap, and you can

By using Generics in Collection classes and other places you can safely minimize java.lang.ClassCastException in Java. How to create and modify Properties file form Java... asked 2 years ago viewed 23860 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 0java.lang.ClassCastException: cannot be cast to java.lang.Integer3java.lang.ClassCastException: java.util.ArrayList cannot be cast Safety - Improve braking power in wet conditions Check if an item is in a nested list Formula 1 rebus US Election results 2016: What went wrong with prediction models?

Not the answer you're looking for? But in my Dao implementation I run into a problem: public Set getAllPersons() { SessionFactory sessionFactory = HibernateUtil.getSessionFactory(); Session sess = sessionFactory.getCurrentSession(); Transaction tx = sess.beginTransaction(); @SuppressWarnings("unchecked") Set items = (Set) I assume it's ArrayLists, but show us to confirm. –Sotirios Delimanolis Aug 12 '14 at 3:30 So the type of ParetoSet is ArrayList>, correct? –Steve McKay Aug 12 '14 http://pgexch.com/java-lang-classcastexception-java-util-arraylist/java-lang-classcastexception-java-util-arraylist-cannot-be-cast-to-java-util-map.html Space of real sequences with finitely many nonzero elements is a Banach space?

If the constructor or method requires an ArrayList, you cannot pass a Vector to it. Build me a brick wall! Thus List> is not a type of List> and the cast fails because the return type of readExel is the former not the latter. It can be best explained with an example.

How to create thread safe Singleton in Java - Java... share|improve this answer edited Aug 15 '14 at 2:30 answered Aug 12 '14 at 3:36 Romski 1,6071817 Could be "Pareto Principle"... –Jim Garrison Aug 12 '14 at 3:58 What is Referential Integrity in Database or SQL -... Do the Leaves of Lórien brooches have any special significance or attributes?

Should I report it? Ballpark salary equivalent today of "healthcare benefits" in the US? But anyway, the collection type you use in your domain objects and the return type of Query#list() are two unrelated things.