aspose file tools*
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Generics Whizlabs

Saibabaa Pragada
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Joined: Oct 24, 2010
Posts: 162
This is Whizlabs questions. Could you please advice on the following comments ?
Joe carco
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Joined: Apr 14, 2009
Posts: 82
what is it you want to know? what exactly is your question??
Prasad Kharkar
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Joined: Mar 07, 2010
Posts: 438

Saibabaa Pragada wrote:

above method argument means that we can pass any list that extends String but we cannot add elements to it

Saibabaa Pragada wrote:

and above method means that we can pass list of anything that is super type of String and we can ADD either String
or subype of String
(subtype of String is not possible as it is final class)

this may be a little difficult to understand so consider following example



hope this helps


SCJP 6 [86%] June 30th, 2010
OCPWCD [84%] March 26th, 2013
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subject: Generics Whizlabs