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java Programming Glossary: bitwiseWhy is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array c This eliminates the branch and replaces it with some bitwise operations. Note that this hack is not strictly equivalent to..
http://stackoverflow.com/questions/1483504/java-what-does-mean share improve this question The Tilde ~ performs a bitwise complement of a numerical value in Java. See Bitwise complement..
Java: right shift on negative number http://stackoverflow.com/questions/15457893/java-right-shift-on-negative-number number by 31 not 1 the sign bit java bit manipulation bitwise operators bit shift negative number share improve this question..
In Java, why must equals() and hashCode() be consistent? http://stackoverflow.com/questions/1678205/in-java-why-must-equals-and-hashcode-be-consistent mask is taken depending on the size of the buckets. If you bitwise AND the hashCode with 15 0x0F you will get the last 4 bits equaling..
What does the ^ operator do in Java? http://stackoverflow.com/questions/1991380/what-does-the-operator-do-in-java binary 5 101 6 110 xor 3 011 This the truth table for bitwise JLS 15.22.1 and logical JLS 15.22.2 xor ^ 0 1 ^ F T 0 0 1 F..
BitSet to and from integer/long http://stackoverflow.com/questions/2473597/bitset-to-and-from-integer-long set clear nextSetBit and nextClearBit methods rather than bitwise operators but I can't find an easy way to initialize a bit set..
Fastest way to determine if an integer's square root is an integer http://stackoverflow.com/questions/295579/fastest-way-to-determine-if-an-integers-square-root-is-an-integer the trick of reading individual bytes out of a word only bitwise and and shifts. int64 y x y y & 4294967295LL y 32 y y & 65535..
Change private static final field using Java reflection http://stackoverflow.com/questions/3301635/change-private-static-final-field-using-java-reflection thus the new value may not be observable Appendix On the bitwise manipulation Essentially field.getModifiers ~Modifier.FINAL.. to Modifier.FINAL from field.getModifiers . is the bitwise and and ~ is the bitwise complement. See also Wikipedia Bitwise.. from field.getModifiers . is the bitwise and and ~ is the bitwise complement. See also Wikipedia Bitwise operation share improve..
http://stackoverflow.com/questions/3363120/enumerations-why-when often used e.g. in C to denote bit sets. This relies on bitwise operations . An example may look something like this public..
Differences in boolean operators: & vs && and | vs || http://stackoverflow.com/questions/4014535/differences-in-boolean-operators-vs-and-vs me with an example. Thank you in advance. java operators bitwise operators boolean logic share improve this question Those.. logic share improve this question Those are the bitwise AND and bitwise OR operators. int a 6 110 int b 4 100 Bitwise.. improve this question Those are the bitwise AND and bitwise OR operators. int a 6 110 int b 4 100 Bitwise AND int c a b..
Why do we usually use `||` not `|`, what is the difference? http://stackoverflow.com/questions/7101992/why-do-we-usually-use-not-what-is-the-difference why we usually use logical OR between two booleans not bitwise OR though they are both working well. I mean look at the following.. no pass Can we use instead of Same thing with and . java bitwise operators share improve this question If you use the and..
How does Java convert int into byte? http://stackoverflow.com/questions/842817/how-does-java-convert-int-into-byte 1 Unsigned 255 Whats actually happening here We are using bitwise AND to mask all of the extraneous sign bits the 1's to the left..
Convert from byte array to hex string in java http://stackoverflow.com/questions/9655181/convert-from-byte-array-to-hex-string-in-java arrays. Compared to the answer I took it from switching to bitwise ops as suggested in the discussion cut about 20 off of the time..
http://stackoverflow.com/questions/1483504/java-what-does-mean a bitwise complement of a numerical value in Java. See Bitwise complement ~ inverts ones and zeroes in a number share improve..
Effect of a Bitwise Operator on a Boolean in Java http://stackoverflow.com/questions/1724205/effect-of-a-bitwise-operator-on-a-boolean-in-java of a Bitwise Operator on a Boolean in Java The bitwise operators are supposed..
Bitwise shift operators. Signed and unsigned http://stackoverflow.com/questions/2244387/bitwise-shift-operators-signed-and-unsigned shift operators. Signed and unsigned I'm practising for the..
Explanation of HashMap#hash(int) method http://stackoverflow.com/questions/2414117/explanation-of-hashmaphashint-method and ^ is the bitwise exclusive or JLS 15.22.1 Integer Bitwise Operators . As to why this is done the documentation offers..
http://stackoverflow.com/questions/2513525/bitwise-not-operator to represent signed numerical value in bits JLS 15.15.5 Bitwise complement operator ~ note that in all cases ~x equals x 1 ..
Change private static final field using Java reflection http://stackoverflow.com/questions/3301635/change-private-static-final-field-using-java-reflection
Differences in boolean operators: & vs && and | vs || http://stackoverflow.com/questions/4014535/differences-in-boolean-operators-vs-and-vs AND and bitwise OR operators. int a 6 110 int b 4 100 Bitwise AND int c a b 110 100 100 Bitwise OR int d a b 110 100 110.. int a 6 110 int b 4 100 Bitwise AND int c a b 110 100 100 Bitwise OR int d a b 110 100 110 System.out.println c 4 System.out.println..
How to use Pipe Symbol through exec in Java [duplicate] http://stackoverflow.com/questions/7226538/how-to-use-pipe-symbol-through-exec-in-java ErrorStream. Later I noticed the Pipe Symbol is used as Bitwise inclusive OR operator in Java. So I used backslash in front..
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