int ---> Object Integer?

[duan]

Hi, Dear all

Can you help me to sort out this problem?

Here is the pat of my code:

variable me is a hashmap's Entryset.

1. v = ((Integer)me.getValue()).intValue();
2. int x = v++;
3. hm.putValue( (Integer) x );

The error lies in line 3."inconvertible type,required java.lang.Integer"

How can I deal with this? I thought I'v already convert int x to Object Integer. However line 1 did the same thing successfully. Quite confuesd.

thanks
Duan

 

[haslo]

new Integer(x)

...instead of...

(Integer)x

as an int is not an Object but a primitive data type and so cannot be cast into another Object...

Hope this helps

allow thyself to be the spark that lights the fire
haslo@haslo.ch - www.haslo.ch​

 

[LittleWing]

you can't cast from a primative to an object. you have to create the Integer object i.e.

hm.putValue( new Integer( x ) );