classcastexception Questions
3
Solved
UPDATE - To make the question clearer.
What is the possible cause of getting a ClassCastException while calling a method via reflections?
I got the following stacktrace as a part of my applicatio...
Cuttler asked 16/4, 2013 at 16:46
4
Solved
This is an interview question.
The interview is over, but this question is still on my mind.
I can't ask the interviewer, as I did not get the job.
Scenario:
put object of class C1 in to a c...
Scan asked 18/4, 2013 at 20:8
3
Solved
Code:
public class CompareTest {
public static void main(String[] args) {
ArrayList list = new ArrayList();
(list).add(new CompareTest());
Arrays.sort(list.toArray()); //Does not throw Ex...
Capo asked 16/3, 2013 at 14:22
3
Solved
I have a number (power(2,k)) of BitSet objects and I want to store them in a SortedSet. I use the code:
Set <BitSet> S= new TreeSet<>();
However, I am getting this error: java.lang.C...
Windflower asked 11/3, 2013 at 2:37
1
Solved
The root of my problem is that I have a method that handles JDBC queries and releases all connections after the query. A "ResultSet" is passed back to the calling method.
I have found that I can'...
Ringworm asked 27/2, 2013 at 22:10
3
Solved
So, I'm working in Java, Trying to cast a java.sql.ResultSet to my own class MyResultSet
Here is the code:
MyResultSet.java
public class MyResultSet implements java.sql.ResultSet{
//There are a ...
Louvain asked 19/2, 2013 at 17:29
3
Solved
I'm trying to "animate" a WebView to drop down and reveal its contents. I've written a handler to increase the height by 1 each time, however, I'm running into a ClassCastException. The code I'm
u...
Philander asked 24/2, 2011 at 4:53
2
Solved
I am getting a strange behavior, and I guess I'm more looking for an explanation than a solution (although solution is welcome as well!).
Here's the code:
PackageManager pm = context.getPackageMa...
Essieessinger asked 22/10, 2012 at 21:25
4
Solved
Ok, I'm new to android development and am trying to bind to a service so that I can call methods on the service once it's been started. The Activity and Service described below are both part of the...
Unavailing asked 7/11, 2011 at 17:31
3
Solved
I have been trying to do a little project that needs an appendable ObjectOutputStream.
I have gone through a couple of solutions and i found this It seemed to solve my problem at first. But on furt...
Lasky asked 5/9, 2012 at 10:19
2
Solved
Language: Java
Compiler version: 1.6
In the below code, am trying to do the following:
create a List<String>
add a String
assign List<String> to raw List
create a List<Integer>...
Inexpiable asked 9/9, 2012 at 15:1
1
Solved
I am getting a class cast exception with hibernate when trying to cast the result set to the mapping class... I am able to see the data in the result set that is returned...however it comes back as...
Excoriate asked 25/5, 2012 at 12:51
4
I tried different ways to fix this, but I am not able to fix it. I am trying to get the Boolean value of an Object passed inside this method of a checkBox:
public boolean onPreferenceChange(Prefer...
Prospector asked 17/5, 2012 at 20:3
1
Solved
java.lang.ClassCastException: android.app.Application cannot be cast to greendroid.app.GDApplication
I'm getting a class cast exception namely
java.lang.ClassCastException: android.app.Application cannot be cast to greendroid.app.GDApplication
when I'm trying to use the green droid library in my...
Signatory asked 23/3, 2012 at 5:8
2
Solved
Here is my stripped down class and enum.
class A
{
@Enumerated (value = EnumType.STRING)
AType type;
}
enum AType
{
X,Y
}
if I run
query = FROM A a WHERE a.type = :type
query.setParameter(...
Surfacetosurface asked 22/2, 2011 at 21:1
3
Solved
I'm obtaining a Vector from a product's API.
Vector<?> dataVector = dataAPI.getReturnVector();
The vector is expected to contain Strings as value. I'm able to print the size of the vector ...
Underwrite asked 1/2, 2012 at 15:45
3
Solved
I'm using java generics and varargs.
If I use the following code, I'll get a ClassCastException, even though I'm not using casts at all.
Stranger yet, if I run this on Android (dalvik) no stack t...
Trudietrudnak asked 29/1, 2012 at 23:57
2
Using eclipse and the Android SDK, I managed a simple test app with a Button and a ProgressBar. All runs fine, except I did't want the ProgressBar to move the Button, when the ProgressBar was made ...
Scad asked 6/1, 2012 at 13:59
10
Solved
I called a getElements method which returns Iterable<Element>.
I did this:
List<Element> elements = (List<Element>) getElements();
This generates the error:
java.lang.ClassCa...
Townscape asked 18/10, 2010 at 13:55
4
Solved
I've got a little problem where I can't find the mistake I am making, it's probably something really simple.
I've got the following layout
<?xml version="1.0" encoding="utf-8"?>
<Relativ...
Adventuresome asked 23/11, 2011 at 9:16
1
I am just playing with MessageFormat but when I try to pass a String to MessageFormat format method it compiles fine but then I get a runtime classcast exception. Here is the code.
MessageFormat f...
Assign asked 31/5, 2011 at 15:3
1
Solved
I have the following code
IJavaProject targetProject = null;
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
for (IProject project : root.getProjects()) {
if (project.getName()...
Emmi asked 10/7, 2011 at 17:39
3
I have a method which has a list of inputs and each input value I have to cast it to required type. (Actually this list has values of parameters in "some" form which I am supposed to converted into...
Pneumato asked 8/7, 2011 at 11:44
1
Solved
I have the following code within a program I'm making:
01 public class Clazz<T>
02 {
03 T[] t;
04
05 public Clazz<T> methodA(int... ints)
06 {
07 Clazz<Integer> ints2 = new Claz...
Unseam asked 30/6, 2011 at 16:32
2
Solved
Is there Scala equivalent of C# as keyword?
var something = obj as MyClass;
Scala's asInstanceOf throws java.lang.ClassCastException:
val something = obj.asInstanceOf[MyClass]
Tunicle asked 23/6, 2011 at 9:14
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