[Eap-features] OT: equals()/hashCode()

[Alain Ravet]

"Hani Suleiman"

> > What will be really fun is that, if you don't override equals() and
> > hashcode() when you should, java collections won't work as expected.
> >
> Uhm, no. Default implementation of equals is ==.
> ...

 

Uhm, no :

 

http://java.sun.com/j2se/1.3/docs/api/java/util/Hashtable.html

public class Hashtable

...
To successfully store and retrieve objects from a hashtable, the objects used as keys must implement the hashCode method and the equals method.