Negative logical shift

Posted by user320862 on Stack Overflow See other posts from Stack Overflow or by user320862
Published on 2010-04-20T00:07:59Z Indexed on 2010/04/20 0:13 UTC
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java

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bitwise

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bit-shift

In Java, why does -32 >>> -1 = 1 ?
It's not specific to just -32. It works for all negative numbers as long as they're not too big.
I've found that
x >>> -1 = 1
x >>> -2 = 3
x >>> -3 = 7
x >>> -4 = 15
given 0 > x > some large negative number

Isn't >>> -1 the same as << 1? But -32 << 1 = -64.
I've read up on two's complements, but still don't understand the reasoning.

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