my dog learned polymorphism
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Chetan Dodiya
Ranch Hand

Joined: Jun 27, 2008
Posts: 39
this q is from ExamLab


why in this program wrapper Byte is widen to Number
because Wrapper type cant widen...
so why this program works fine???

SCJP 1.5
Markus Klein

Joined: Aug 29, 2008
Posts: 19
Widening of reference variable depends on inheritance(so, Integer cannot be widened to Long. But, Integer widened to Number)
I agree. Here's the link:
subject: Wrappers
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