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

[Jason Mehrens]

Joe,


 > * null safe toString(Object), returning "null" for a null argument

 

Doesn't String.valueOf do the same thing?
http://java.sun.com/javase/6/docs/api/java/lang/String.html#valueOf(java.lang.Object)

 

What about a toIdentityString(Object) instead?  Some of the nice properties of an identity string is that it is safe to call from multiple threads even on objects that are not thread safe (JComponent), won't deadlock if toString is synchronized (observed in logging), and won't build run away strings (nCopies(Integer.MAX_VALUE, "lookout").toString()).

 

Jason
 		 	   		  
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