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

posted 5 years ago I was doing some of the workshop content on blackbeltfactory.com site, the "List and Arrays" one. Figure out on your own about the kind of List returned by query.list(); share|improve this answer edited Feb 4 at 5:43 answered Feb 4 at 4:59 Sabir Khan 1,786620 add a That cannot be done. It happens to have a classname of ArrayList, but that's a nested class within Arrays - a completely different type from java.util.ArrayList. http://pgexch.com/java-lang-classcastexception-java-util-arraylist/java-lang-classcastexception-java-util-arraylist-cannot-be-cast-to-java-lang-enum.html

How do pilots identify the taxi path to the runway? However, I'm stuck at this: I'm supposed to do a method that takes a String[] array and returns an ArrayList with the same objects and with the same order This is Should I allow my child to make an alternate meal if they do not like anything served at mealtime? This leads to ClassCastException if object is not of type on which you are casting it. http://stackoverflow.com/questions/28851652/java-lang-classcastexception-java-util-arraysarraylist-cannot-be-cast-to-java

Build me a brick wall! Example for a commutative subring of a non-commutative ring What is a satisfactory result of penetration testing assessment? posted 5 years ago Bear Bibeault wrote:Look carefully at the javadoc for toArray(). If you need an ArrayList you could do something like: return new ArrayList(Arrays.asList(arr)); "Any fool can write code that a computer can understand.

I'm using Apache Felix and this is my bundle: 1) Activator.java [code=java] package Example2; import … java.lang.NullPointerException 5 replies My main idea is to link the three combo boxes I had But first of all how can I read a file in such a way that I get it's bits. Status: RESOLVED INVALID Product: javaee Classification: Unclassified Component: JSF Version: 6.x Hardware: All All Priority: P3 (vote) TargetMilestone: 6.x Assigned To: Alexey Butenko QA Contact: issues@javaee URL: http://statistics.netbeans.org/except... Will boring a cylinder affect its longevity thereafter?

I thought this exception has been forgotten long back. What does "there lived here then" mean? Why is looping over find's output bad practice? http://stackoverflow.com/questions/28851652/java-lang-classcastexception-java-util-arraysarraylist-cannot-be-cast-to-java The following code can be used to dump the list into a newly allocated array of String: String[] x = (String[]) v.toArray(new String[0]); Note that toArray(new Object[0]) is identical in function

Bug152396 - [65cat] ClassCastException: java.util.ArrayList cannot be cast to java.lang.String Summary: [65cat] ClassCastException: java.util.ArrayList cannot be cast to java.lang.S... What do I do? share|improve this answer answered Mar 4 '15 at 10:10 TheLostMind♦ 28.1k64179 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign You can convert it to a List: List xList; xList = Arrays.asList((Assessment[])oStream.readObject()); or if you must use a java.util.ArrayList : ArrayList xList; xList = new ArrayList<> (Arrays.asList((Assessment[])oStream.readObject())); share|improve this answer

January 21, 2013 at 9:18 PM Farooq said... Find the Emirps! How to parse or convert String to long in Java - 4... Again , Do you know what kind of List is returned by query.list();? –Sabir Khan Feb 4 at 6:14 Thanks it works for me. :-) –Khushbu Soni Feb 4

NetBeans IDE NetBeans Platform Plugins Docs & Support Community Partners HOME / Bugzilla [?] | New | Browse | Search | Reports | Help | Log In First Last Prev Next have a peek at these guys Why isn't the List interface acceptable? Thanks in advance. What is a satisfactory result of penetration testing assessment?

I tried to cast an arraylist at index i in paretoSet to integer type and then added it to toPass but this casting is not allowed!!! Should you change a thermostat when changing your water pump How to clear all output cells and run all input cells Can Trump undo the UN climate change agreement? I am still waiting for ashwiniku's response about the method he is calling that returns that list. 0 ~s.o.s~ 2,560 6 Years Ago Which is why, in one of my previous check over here The error tells you at what line of your file that happened, so you can correct it.

Methods which were written to take advantage of polymorphic behavior and coded on interfaces prior to Java 5 and doesn't used parameter to provide type-safety. If you need a java.util.ArrayList, you can just create a copy: ArrayList list = new ArrayList<>(Arrays.asList(sos1.getValue()); or: List list = new ArrayList<>(Arrays.asList(sos1.getValue()); (if you don't need any members exposed just by I am unable to start a OSGI bundle.


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. 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 XPath Tutorial - How to select elements in XPATH b... Union and Intersection of two Set in Java - Google...

However, the problem … OSGI bundle starting problem 3 replies Hello, everyone! Could you explain why? My purpose is to fill the JComboBox from the database. this content Invalid initial and maximum heap size in JVM - How...

Should I allow my child to make an alternate meal if they do not like anything served at mealtime? Thanks for the hint, here's the solution: Suppose l is a List known to contain only strings. Use Integer.parseInt for parsing an integer from a string. Therefore you can't cast it to java.util.ArrayList.

Hi genius , how to resolve this ,Causedby:java.lang.ClassCastException:java.lang.Integercannotbecasttojava.util.Collection April 15, 2015 at 10:58 PM Anonymous said... Why do languages require parenthesis around expressions when used with "if" and "while"?