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var-args question from skill test

Raju Champaklal
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Joined: Dec 10, 2009
Posts: 521


answer is 4...why? wont there be a compile error? how will the compiler decdie which to invoke? then what about this?


scjp 1.6 91%, preparing for scmad
"Time to get MAD now.. we will get even later"....by someone unknown
Minhaj Mehmood
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Joined: Jan 22, 2007
Posts: 400

jvm will choose printName(String firstName,String lastName) over var-args .


SCJP6 96% | SCWCD5 81% | SCDJWS5 79%
Minhaj Mehmood
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Joined: Jan 22, 2007
Posts: 400

check =>>http://www.coderanch.com/t/417622/Programmer-Certification-SCJP/certification/Golden-Rules-widening-boxing-varargs
Raju Champaklal
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Joined: Dec 10, 2009
Posts: 521
whats that rule gotto do what this? here i think there is no case of widening or boxing
Siva Masilamani
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Joined: Sep 19, 2008
Posts: 385
then what about this?

Becuase compiler will tread String[] and String... as String[] and you know that two methods with the same name can not have same type argument and hence the error.


SCJP 6,SCWCD 5,SCBCD 5

Failure is not an option.
Raju Champaklal
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Joined: Dec 10, 2009
Posts: 521
oh
 
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