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I Cannot Be Cast To Ljava.lang.object

Picking 10 distinct words 'randomly' from List of unique words more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile Not the answer you're looking for? How to prove that authentication system works, and that customer uses the wrong password? Here is all the code which created the problem - public class StackMain { public static void main(String[] args) { MinMaxStack minMaxStack = new MinMaxStack(); Random ran = new Random(); for have a peek here

I'm moving forward again!! List result = (List) LoadSource.list(); for(Switcher tes : result){ System.out.println(tes.getSERVICE()); } java hibernate hql share|improve this question edited Dec 10 '13 at 5:28 asked Dec 10 '13 at 5:12 splatter_fadli 1802316 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 BlockingQueue in Java - ArrayBlockingQueue vs Link... http://stackoverflow.com/questions/20486641/ljava-lang-object-cannot-be-cast-to

You're trying to create your Stack without generic type. How to remove duplicates elements from ArrayList i... featch 3 table (User - Role - Profile ) in user Entity . Not the answer you're looking for?

Why is Professor Lewin correct regarding dimensional analysis, and I'm not? However, this does not create any immediate problems because inside the Stack class, E is erased to its upper bound, in this case Object. Browse other questions tagged java hibernate hql or ask your own question. Use List#toArray(T[]) instead.

Maybe I'm out of touch, but could you please explain what will be in the List ? –Hoàng Long Mar 31 '15 at 15:39 1 If there are multiple objects How ClassLoader Works in Java Top 10 JDBC Interview questions answers for Java p... What is this line of counties voting for the Democratic party in the 2016 elections? pop over to these guys How to append text into File in Java - FileWriter ...

How to add, modify and drop column with default va... What does "there lived here then" mean? This is why (E[])new Object[size] was an unchecked cast and displayed a warning. This is what I have right now...

Can a president win the electoral college and lose the popular vote Why is the 'You talking to me' speech from the movie 'Taxi Driver' so famous? I was messing around with generics so the problem was being created. Generics are designed to write type-safe code and provides compile time checks which tends to violate type-safety. Is adding the ‘tbl’ prefix to table names really a problem?

In runtime there is no generic. 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. The ConfigurationLoader fails because it throws an exception here: option = (Options)lists.get(i); Its: "java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to database.Options". Why "silver-tongued" for someone who is convincing?

Not the answer you're looking for? How to Create and Evaluate XPath Expression in Jav... Share to Twitter Share to Facebook Labels: core java , error and exception , programming Location: United States 5 comments : Anonymous said... Check This Out Who was the first comic book artist to use Toad's slime in comics after the first X-Men film was released?

java arrays dictionary share|improve this question edited May 11 '15 at 12:08 Mureinik 104k2055106 asked Mar 29 '14 at 13:28 JackSun 2852614 add a comment| 2 Answers 2 active oldest votes Is Area of a circle always irrational What is a satisfactory result of penetration testing assessment? The declaration of E is protected E[] elements = null; This is how I am trying to call Random ran = new Random(); Stack st = new Stack(); st.push(ran.nextInt(100)); Update Guys,

super T>> implements Stack { private final int DEFAULT_CAPACITY = 50; private int top; private T[] elements; @SuppressWarnings("unchecked") public ArrayStack() { this.elements = (T[]) new Comparable[DEFAULT_CAPACITY]; this.top = 0; } }

This was frequent problem with Java Collection classes like LinkedList and HashSet in Java which holds Object type but with introduction of Generics in Java 5 solved this problem by checking I have found that I can't simply pass the ResultSet back to the calling method, because with the ResultSet closed, then any attempts to use it get an Already Closed error. in one database, that is an Integer[] field. How can an advanced (circa 7000 AD) spacefaring human civilization be prevented from entering its own solar system?

Maybe you should check the type of the variable ""tuples" –Hoàng Long Mar 31 '15 at 15:29 add a comment| 3 Answers 3 active oldest votes up vote 5 down vote How to convert milliseconds to Date in Java - tuto... 3 Example to print array values in Java - toString... Why did Borden do that to his wife in The Prestige? share|improve this answer answered Oct 12 at 13:39 Глеб Ш 307 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign

Since due to polymorphism in Java an Object instance can hold any type of Object but you can only cast between same type. ArrayList comps = (ArrayList) row.getObject(5); Integer[] argh = (Integer[]) ((ArrayList) comps).toArray(); ... } And I get: java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to [Ljava.lang.Integer; Help would be appreciated. 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 When you write Stack st = new Stack();, java understands it as Stack st = new Stack();, it causes your Ljava.lang.Object; cannot be cast to [Ljava.lang.Integer error.

I am seen in darkness and in light, What am I? They need to be done step by step. With Java 7 and above you can use the diamond operator <> like Stack st = new Stack<>(); st.push(ran.nextInt(100)); With earlier versions you specify the generic type like Stack st = share|improve this answer answered Dec 21 '14 at 16:27 Everv0id 828721 Random ran = new Random(); Stack st = new Stack(); st.push(ran.nextInt(100)); –Avneesh Dec 21 '14 at 16:30 1

I believe that your query should return a List, not List. How can I take a powerful plot item away from players without frustrating them? Hi genius , how to resolve this ,Causedby:java.lang.ClassCastException:java.lang.Integercannotbecasttojava.util.Collection April 15, 2015 at 10:58 PM Anonymous said... Then why is this Exception.

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