HashMap StackOverflowError problem - please explain me

[Abdul Mohsin]

Hi,

Predict the result !!! and please explain me

HashMap map= new HashMap();
map.put(map,"abdul");

System.out.println(map.get(map));

Regards,

Abdul Mohsin
[ May 18, 2007: Message edited by: Abdul Mohsin ]

[Chandra Bhatt]

See the links:
One
Second



Thanks,

[Abdul Mohsin]

Hi Chandra,

thanks for these links but my question is why the above code is giving StackOverflowError

Regards,

Abdul Mohsin

[Mirko Bonasorte]

The problem is the AbstractMap.hashCode(), which uses the hashCode keys to build it. If the keys contains itself, you have an infinite loop.

[Abdul Mohsin]

Hi,

I just gone through the AbstractMap java doc ,but still its not clear why its going in infinite loop.

Regards,

Abdul Mohsin