What methods should go into a java.util.Objects class in JDK 7?

[Paul Benedict]

David,

I think your question is mostly rhetorical. Most of the code in this
class are one-liners. If you can answer it for this method, you have
answered it for all.

I also think it's a common idiom... and so are the other small stuff in here.

Paul

On Sat, Nov 14, 2009 at 10:46 PM, David Holmes - Sun Microsystems
<David.Holmes at sun.com> wrote:
> Paul,
>
> Paul Benedict said the following on 11/15/09 11:28:
>>
>> I would like to propose adding this method:
>>
>> /**
>>  * Selects the object if not {@code null}; otherwise fallsback to the
>>  * specified default object.
>>  *
>>  * @param object the object to test
>>  * @param defaultObject the default object
>>  * @return the object if not {@code null}; otherwise the default object
>>  */
>> public static Object defaultIfNull(Object object, Object defaultObject) {
>>    return (object != null) ? object : defaultObject;
>> }
>
> I don't get it. Why would anyone need the above when they can write:
>
>    obj != null ? obj : otherObj
>
> themselves ??? Compared to
>
>    defaultIfNull(obj, otherObj)
>
> you don't even save any keystrokes (and this is with a static import)!
>
> David Holmes
>
>