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Ljava.lang.object Cannot Be Cast To Class

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Since i have created collection of cookies and i am trying return array list of cookies. Not the answer you're looking for? Winston Even if the list is static it wont create any problem. Quoted from the API documentation for Collection.toArray(T[] a): Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified http://kshelper.com/cannot-be/java-lang-classcastexception-android-app-application-cannot-be-cast-to-activity.html

Is it acceptable to ask an unknown professor for help in a related field during his office hours? Not the answer you're looking for? Is adding the ‘tbl’ prefix to table names really a problem? Winston "Leadership is nature's way of removing morons from the productive flow" - Dogbert Articles by Winston can be found here Post Reply Bookmark Topic Watch Topic New Topic Similar http://stackoverflow.com/questions/15123450/classcastexception-java-lang-object-cannot-be-cast-to-java-lang-integer

Ljava.lang.object Cannot Be Cast To Class

Why is this C++ code faster than my hand-written assembly for testing the Collatz conjecture? Eagerly awaiting your reply. Wait... Winston "Leadership is nature's way of removing morons from the productive flow" - Dogbert Articles by Winston can be found here Koushik Ghosh Greenhorn Posts: 25 I like...

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 = for(int i=0;i

Solutions? Java.lang.string Cannot Be Cast To Ljava.lang.object Hibernate Were the Smurfs the first to smurf their smurfs? When you modify list in the method the global variable (list) is modified. 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

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 Cast Object Array To String Array Why had Dumbledore accepted Lupin's resignation? Not the answer you're looking for? It worked but gave a new error now, "NullPointerExceptionError" Following is the stack trace for it Is the file exist?: true Is Names file readable: true Path: C:\Users\Documents\Java Pract\aliceTest.txt Exception in

Java.lang.string Cannot Be Cast To Ljava.lang.object Hibernate

Out of Memory Error "+omg+"\n"); } System.out.println("The word "+wordToFind+" occurs "+count+" time's."); console.close(); output.close(); } //end method checkWordInFile public int findMatchedString(){ // Map mp=new HashMap(); for(Object value:list){ Integer freq=mp.get(value); mp.put(value, http://stackoverflow.com/questions/9293474/collection-toarray-java-lang-classcastexception On 1941 Dec 7, could Japan have destroyed the Panama Canal instead of Pearl Harbor in a surprise attack? Ljava.lang.object Cannot Be Cast To Class You could have passed new Cookie[0] too. Java.lang.classcastexception: [ljava.lang.object; Cannot Be Cast To + Jpa Storage of a material that passes through non-living matter How to harness Jupiter's gravitational energy?

My Blog on Learning Analytics Winston Gutkowski Bartender Posts: 10527 64 I like... check my blog Passing 0 length array worked. –Maven Jul 4 at 19:35 add a comment| up vote 3 down vote You just need to get the contents of arraylist in an array, right?? asked 3 years ago viewed 17122 times active 2 years ago Related 1MyBatis: ClassCastException: java.lang.Integer cannot be cast to java.lang.Boolean30ClassCastException: java.lang.Object[] cannot be cast to java.lang.String[] android0ClassCastException: java.lang.Object[] cannot be cast Still a beginner at crafting quality coding but have the zeal to learn more. Convert Object Array To Integer Array In Java

modify the return type as void. I tried that but it gave the rather ambiguous error of: The method toArray(T[]) in the type List is not applicable for the arguments (Object) I did a few manual checks, Is "she don't" sometimes considered correct form? this content Nor can I use clone on one of the elements of ArrayList or try to get its class.

Browse other questions tagged java arrays generics casting arraylist or ask your own question. Java.lang.classcastexception Cannot Be Cast To If it was up to me, I would have used a List as you say. "Program to an interface, not an implementation". You need to use the other toArray method which allows you to specify the type of the array that you want.

Example: return result.toArray(new Cookie[result.size()]); As stated in the API, ArrayList.toArray() returns an array of type Object.

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Are 14 and 21 the only "interesting" numbers? Consider Stack st = new Stack<>(); instead. Your help would be appreciated. have a peek at these guys share|improve this answer edited Oct 13 '13 at 16:56 JJD 17.1k24113182 answered Feb 15 '12 at 12:37 dacwe 33.1k477112 add a comment| up vote 4 down vote toArray() returns an Object[]

It should work then. Word for "using technology inappropriately"? Well now to test if it works in my (slightly less trival) real method. posted 3 years ago Thanks all, but my mistake here, i should have posted the whole code here.

Each element in this array is of type Class, but the array itself is not of type Class[] You should cast each element in the array to Class instead of trying Ronald Castillo Ranch Hand Posts: 47 I like... share|improve this answer answered Mar 7 '13 at 6:09 kcoppock 91.5k30196220 Other solutions didn't work for me. posted 5 years ago Bear Bibeault wrote:And why do you have the urge to cast it as an ArrayList in the first place.

My advice: Try to think about this from the point of view of a user of your class. My Blog on Learning Analytics Winston Gutkowski Bartender Posts: 10527 64 I like... Cheers. How can I check that the voltage output from this voltage divider is 2.25V?

So how are you "exposing" elements? Winston "Leadership is nature's way of removing morons from the productive flow" - Dogbert Articles by Winston can be found here Ashish Dutt Ranch Hand Posts: 172 I like... Are you referring to here? Browse other questions tagged java collections or ask your own question.

Ashish Dutt Ranch Hand Posts: 172 I like... However, I am getting an error: ClassCastException: java.lang.Object[] cannot be cast to java.lang.String[] android At the line with listofurls I am getting the error: listofurls = (String[])image_urls.toArray(); This is the full How to harness Jupiter's gravitational energy? posted 3 years ago Ashish, you have declared list as a global variable right?

Thanks for the hint, here's the solution: Suppose l is a List known to contain only strings. up vote 6 down vote favorite 1 I defined List stack = new ArrayList(); When I'm trying to convert it to an array in the following way: Integer[] array= stack.toArray(); I How to make plots 'blacker'?