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I Cannot Be Cast To Java.lang.string

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 How to fix java.io.NotSerializableException: org.a... I highly recommend to use Generics while using any Collection classes or class which acts as container e.g. Related -1org.apache.catalina.core.DefaultInstanceManager cannot be cast to java.lang.String0Java sun.uil.ResourceBundleEnumeration cannot be cast to java.lang.String0Hibernate errors: “java.lang.Integer cannot be cast to java.lang.String” and so on3java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.lang.String1java.lang.String cannot be Source

Java Interview Questions6. Related 1181Regular cast vs. CSS HTML JS I believe the majority of time on a project is spent with the UI. If you use the word List as you have then you implicitly mean java.util.List –Steve C Sep 22 at 23:19 | show 1 more comment up vote 0 down vote The http://stackoverflow.com/questions/29231288/classcastexception-java-lang-string-cannot-be-cast-to-ljava-lang-string

Babu Singh Ranch Hand Posts: 83 posted 2 years ago resultset returns the rows which all is string. Can a text in Latin be understood by an educated Italian who never had any formal teaching of that language? Photographing Sea Turtles hatching on the beach Why are wavelengths shorter than visible light neglected by new telescopes?

Approach #1 One simple way to fix it, could be to rely on the raw type for the result (it is not the most elegant approach but the simplest one) then Java Error : 'javac' is not recognized as an inter... These are the results of those notes made and shared. However you are trying to cast it into array of string.

That's all on What is ClassCastException in Java and how to solve Exception in thread "main" java.lang.ClassCastException. What is this line of counties voting for the Democratic party in the 2016 elections? public void testSearchCountry() throws Exception { driver.get("http://www.wikipedia.org/wiki/Main_Page"); ReadExcelDemo readXls = new ReadExcelDemo(); List dataList = readXls.getData(); String[] test = new String[dataList.size()]; for (int i = 1; i < dataList.size(); i++) { http://stackoverflow.com/questions/9098755/java-lang-string-cannot-be-cast-to-java-lang-string Union and Intersection of two Set in Java - Google...

Vector dataVector = dataAPI.getReturnVector(); The vector is expected to contain Strings as value. can you write query? –Naman Sep 22 at 11:57 Naman SELECT PASSWD FROM AUDITORS WHERE USERNAME = '1114' But as you userstand the query is parameter –Giorgos Sep 22 January 2, 2013 at 6:44 PM Anonymous said... How to comment uncomment single line and block of ...

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.lang.classcastexception java.util.arraylist cannot be cast to java.util.mapjava.lang.classcastexception ljava.lang.object cannot be cast to ljava.lang.comparablejava.lang.classcastexception ljava.lang.object cannot be cast to ljava.lang.integerjava.lang.classcastexception ljava.lang.object cannot be cast to java.util.listjava.util.arraylist cannot be cast to java.lang.comparable Not the answer you're looking for? Now you know where exactly ClassCastException is coming and stack trace also told which object it was trying to cast, Now you have to find, how that type of object comes

Vincent Salter 3,604 Points Vincent Salter Vincent Salter 3,604 Points about 1 year ago Ok. Henry Campbell Ritchie Sheriff Posts: 51027 84 posted 2 years ago No, you would appear to be trying to cast a String to some sort of array, which you cannot It can be best explained with an example. Do you still see java.lang.ClassCastException in Generics world ?

Are there still systems around with a /bin/sh binary? Not the answer you're looking for? In this Java tutorial we will see Why java.lang.ClassCastException comes and how to resolve ClassCastException in Java. have a peek here Browse other questions tagged java classcastexception or ask your own question.

How to sort HashMap by key and value in Java - Has... java.lang.classcastexception java.util.arraylist cannot be cast to java.lang.string I have seen this happening a lot in beginners code based on Java Collection framework, Since ArrayList and String are not related to each Map map=request.getParameterMap(); Enumeration paramNames = request.getParameterNames(); while(paramNames.hasMoreElements()){ String name = paramNames.nextElement(); String[] values = request.getParameter(name); logger.info(name+&"="+values.toString()); ... } Contact Us I hope you found this useful or if you have any

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I googled a bit and found a similar problem at http://prideafrica.blogspot.com/2007/01/javalangclasscastexception.html I tried to set the generics as String[], but ended up with the same error. Join them; it only takes a minute: Sign up java.lang.String cannot be cast to [Ljava.lang.String; up vote 1 down vote favorite I have the following and I take the error java.lang.String How can an advanced (circa 7000 AD) spacefaring human civilization be prevented from entering its own solar system? How to convert milliseconds to Date in Java - tuto... 3 Example to print array values in Java - toString...

Use a For loop to get the indices of the Vector. However, the conversion is valid only in cases where a class extends a parent class and the child class is casted to its parent class.For example, the following snippet throws a This will work. I don't know JComboBox.

Java Collection classes like HashMap, ArrayList, Vector or Hashtable which is not using Generics. 2. Will boring a cylinder affect its longevity thereafter? Fundamentally, you need to store something that contains both values (the ID and name) and then use that something when you get the selected item.