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System.out.format("%s", new Long("123")); --- ?????

 
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i dont quite understand this line,
can anyone explain with a bit of detail?

(this line compiles fine i am sure)
 
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http://java.sun.com/docs/books/tutorial/java/data/numberformat.html


I dunno either ...
 
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Please specify what you are not getting?
 
adam Lui
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Originally posted by dolly shah:
Please specify what you are not getting?



sorry I am too rushing in to figure it out. Not quite sure about "%s", and boxing thing new Long("123"),

how come this compile just fine?
 
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%s is String, so all you get is 123 on the screen.
 
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Hi,

when compiler sees %s it calls the object.toString(); method and hence new Long("123") is treated as a string and it compiles fine.

I am not sure about the explanation. Any experts please clarify this....


Thanks in advance
 
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