> The ClassCastException means that the Java Runtime does not like your
> request to convert a Serializable into a HashMap.
I understand the meaning of ClassCastException; I did skim through the
Javadocs docs before posting here.
The problem is: I am not casting Serializable to HashMap but a
Hashtable.
> > Hashtable table = (Hashtable)getIntent().getSerializableExtra
> > ("table");
>
I put Hashtable in the Intent Extras() so I thought the cast was safe.
Thanks.
On Nov 13, 3:38 pm, Indicator Veritatis <[email protected]> wrote:
> The ClassCastException means that the Java Runtime does not like your
> request to convert a Serializable into a HashMap. What is less clear
> is why: but the J2SE API docs give a pretty good clue when they say:
>
> "Thrown to indicate that the code has attempted to cast an object to a
> subclass of which it is not an instance. "
> (http://java.sun.com/j2se/1.4.2/docs/api/)
>
> On Nov 13, 1:32 am, Samuh <[email protected]> wrote:
>
>
>
> > I have a Hashtable, which, I need to pass to another activity. Since,
> > Hashtable is Serializable, I am doing the following:
>
> > Hashtable mHashTable = new Hashtable();
> > // load values
>
> > Intent intent = new Intent(this,SecondActivity.class);
> > intent.put("table",mHashTable);
>
> > startActivity(intent);
>
> > In the Second activity, I try to read the extras in OnCreate(..) as:
>
> > Hashtable table = (Hashtable)getIntent().getSerializableExtra
> > ("table");
>
> > I get ClassCastException at this line in Logcat:
>
> > 11-13 14:21:15.939: ERROR/AndroidRuntime(922): Caused by:
> > java.lang.ClassCastException: java.util.HashMap
>
> > What is that I am missing or doing wrong here?
>
> > Please help.
>
> > Thanks.- Hide quoted text -
>
> - Show quoted text -
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