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java Programming Glossary: randomnessGenerate Random numbers without using any external functions http://stackoverflow.com/questions/15038174/generate-random-numbers-without-using-any-external-functions so in theory they are completely deterministic. The only randomness is guaranteed by providing a good seed initialization of the.. like games Using hardware noise good for security critical randomness Using a constant number good for debugging since you get always..
unwanted output in multithreading http://stackoverflow.com/questions/17816047/unwanted-output-in-multithreading be predicted due to hardware race conditions time slicing randomness and other factors. Anyone who is asking about specific order..
Java's Collections.shuffle is doing what? http://stackoverflow.com/questions/2249520/javas-collections-shuffle-is-doing-what permutes the specified list using a default source of randomness. Being the curious george that I am I want to know what exactly..
how good is java's UUID.randomUUID? http://stackoverflow.com/questions/2513573/how-good-is-javas-uuid-randomuuid
Distributed sequence number generation? http://stackoverflow.com/questions/2671858/distributed-sequence-number-generation time of the ID. The least significant 32 bits 32 bits of randomness generated anew for each ID. d The easy way out use UUIDs GUIDs..
http://stackoverflow.com/questions/325443/generate-uuid-in-java the most significant half of your UUID contains 58 bits of randomness which means you on average need to generate 2^29 UUIDs to get..
True random generation in Java http://stackoverflow.com/questions/381037/true-random-generation-in-java RANDOM.ORG is a true random number service that generates randomness via atmospheric noise. The Java library for interfacing with..
java: advantage of using static variable in java http://stackoverflow.com/questions/3816952/java-advantage-of-using-static-variable-in-java everyone. The application is multithreaded higher level of randomness is so I think I am going with static SecureRandom. If that will..
Is stopwatch benchmarking acceptable? http://stackoverflow.com/questions/410437/is-stopwatch-benchmarking-acceptable as the JVM scheduler throws even a little bit more randomness into the mix. How do you address operating system scheduling..
http://stackoverflow.com/questions/453479/how-good-is-java-util-random period 2^48 bits are not equally random see my article on randomness of bit positions will only generate a small fraction of combinations..
Why do System.nanoTime() and System.currentTimeMillis() drift apart so rapidly? http://stackoverflow.com/questions/5839152/why-do-system-nanotime-and-system-currenttimemillis-drift-apart-so-rapidly for more than about 30 minutes. I expect to see some small randomness in the values printed due to jitter but in almost all runs of..
Understanding strange Java hash function http://stackoverflow.com/questions/9335169/understanding-strange-java-hash-function more of the bottom 20 bits of the int. So you can get some randomness inserted into the bottom bits that makes use of the potentially.. is then applied via xor to the original value to add that randomness to the lower bits. The second shift of 7 positions xor the shift.. can flip 0 or more of the bottom 28 bits which brings some randomness again to the lower bits and to some of the more significant..
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