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Join Stack Overflow to learn, share knowledge, and build your career. Connect and share knowledge within a csk drill bit java location that is structured and easy to search. I would be thankful for a good tutorial, that explain for java newbies how in java all the "bit shifting" work.

I always stumble across it, but never understood how it works. This is just an example what I mean, but I am looking for a tutorial that explains every possible operation :. Well, the official Java tutorial Bitwise and Bit Shift Operators covers the actual operations that are available in Java, and how to invoke them. If you're wondering "what can I do with bit-shifting", then that's not Java specific, and since it's a low-level technique I'm not csk drill bit java of any list of "cool things you can" do per se.

It'd be worth becoming familiar with the definitions, and keeping your eyes open for other code where this is used, to see what they've done. Note that often bit-twiddling is an efficiency gain at the expense of clarity. Repeated XORs can swap two numbers without using a temporary variable, but it's generally considered better form to write the code more clearly with the temporary variable or even better, in a utility method.

So in this respect it's hard to give great examples, because you're not likely to achieve anything new or profound on an architecture level; it's all about the low-level details. And I'd estimate that a vast number of uses of bit-twiddling "in the wild" are instances of premature optimisation. As the following SO post suggests, the author of the accepted answer mentions:. This is absolutely crucial to remember when operating on bytes for csk drill bit java, otherwise you may get unexpected results as I did.

There is an infinite number of possible csk drill bit java. However they will be made up of one csk drill bit java more combinations of. To get an understanding I suggest you write the binary numbers on paper and work out what happens.

Trying to read it in a tutorial won't guarantee understanding. There is simple but clear tutorial that I find useful here. It's not exactly a tutorial, but I have a personal library of bit-shifting functions in Java which you are very welcome to study!

Also if you do a google search for "bitwise tricks" you will find a lot of material. Here are the details of how bit shifting works. There is some non-intuitive behavior that is not covered by the official tutorial. For instance, the right operand has a limited range for int, for longand will not produce a warning if you exceed that range -- it will just truncate the bits i.

This site seems to give a pretty good tutorial on what you can do with bit manipulation so not specific to java but since it is pretty easy to translate. These are two good tutorials i found while learning about bit shifting, they arent in java but most languages use the same operators and the theory is the same. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Learn more. Asked 9 years, 9 months ago. Active 1 year, 11 months ago. Viewed 87k times. Hearen 5, 2 2 gold badges 35 35 silver badges 49 49 bronze badges.

Csk drill bit java Markus 3, 3 3 gold badges 34 34 silver badges 38 38 bronze badges. It's bit shifting, not byte shifting. You might want to take a look at this page csk drill bit java stackoverflow. For all those interested, besides the answers below, the link from Mike above, is absolut worth to be read! Add a comment.

Active Oldest Votes. Graham Borland Andrzej Doyle Andrzej Doyle While Java is verbose, I prefer Math. If there where an integer exponentation operator, I would prefer it, too. But there isn't, and Math. As far as "cool operations" goes, the handiest I've ever found is the XOR swap - it lets you switch the csk drill bit java of two variables without having to allocate more memory. When using the shift operator, be very careful not to repeat a common error!!

As the following SO post suggests, the author of the accepted answer mentions: "In some languages, applying the shift operators to any datatype smaller than int automatically resizes the operand to be an int.

That's because the byteValue is casted to int BEFORE the bit shift operation, thus resulting in something like this instead: Jeach Jeach 7, 7 7 gold badges 43 43 silver badges 56 56 bronze badges. Peter Lawrey Peter Lawrey k 71 71 gold badges silver badges bronze badges. The link does not csk drill bit java anymore. Trilarion 9, 9 9 gold badges 53 53 silver badges 90 90 bronze badges.

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