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generics question from javabeat

 
Ranch Hand
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Hi

there is a question on generics in javabeat
Code given as below


Answer is a,b,c & f
how come b is valid? can anyone provide some source to clarify this

Thanks
 
Greenhorn
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Originally posted by madhu v pe:
Hi

there is a question on generics in javabeat
Code given as below


Answer is a,b,c & f
how come b is valid? can anyone provide some source to clarify this

Thanks

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