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any one help me

Gnanavelan Ganeshan

Joined: Dec 30, 2007
Posts: 4
any one explain the concept behind the question in page no 356 in head first servlet and jsp swcd 1.4

Thanks in advance

my doubt is

both i and 3 are same except the referece class , first in not worked i accept the reason , how the third concept is worked , please explain
David Newton

Joined: Sep 29, 2008
Posts: 12617

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subject: any one help me