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Compile error with instanceof

 
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How the compile knows the hierarchy of an object, to decide if a code compile or not compile?

Can anyone help me? Its not clear to me..



Thank you for all.
 
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Integer and Long are sibling, they don't have an inheritance relationship!

Number is the parent of AtomicInteger, AtomicLong, BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, Short.

 
Douglas Boff Nandi
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please reply in another topic...
https://coderanch.com/t/442210/Programmer-Certi...-SCJP/certification/instanceof
 
Douglas Boff Nandi
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... how to delete a reply?
 
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Douglas Boff Nandi wrote:... how to delete a reply?



You can't do it. Any of the moderators will delete your reply...
 
Consider Paul's rocket mass heater.
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