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Surprise Me!
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By bloid
via javabeans.asia
Published: Oct 01 2008 / 21:43

Brainteaser: ArrayList VS TreeSet
When I came across the following example I did not expect the results that the program has printed :) hehe... Question: What does this program print? Why?
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jtheory replied ago:

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The downside of auto-boxing, I guess? Though perhaps compiler errors shouldn't be needed to tell you what a method signature is (and what the method does).

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zynasis replied ago:

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this is why i have autoboxing warnings on my ide

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