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java Programming Glossary: modernFastest way to write huge data in text file Java http://stackoverflow.com/questions/1062113/fastest-way-to-write-huge-data-in-text-file-java and just using the FileWriter directly. On a modern system there's a good chance you're just writing to the drive's..
Why 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 work. Most applications have well behaved branches. So modern branch predictors will typically achieve 90 hit rates. But when.. the loop interchange . This goes to show that even mature modern compilers can vary wildly in their ability to optimize code.....
Are there any other Java libraries for bonjour/zeroconf apart from JMDNS? http://stackoverflow.com/questions/1233204/are-there-any-other-java-libraries-for-bonjour-zeroconf-apart-from-jmdns to use the jmDNS wrapper . waiter Described as a modern DNS library and an effective DNS SD Service Discovery library...
Java NIO FileChannel versus FileOutputstream performance / usefulness http://stackoverflow.com/questions/1605332/java-nio-filechannel-versus-fileoutputstream-performance-usefulness Access if present. This is implementation dependent but modern Sun and IBM versions on general purpose CPUs are good to go...
Using Javamail to connect to Gmail smtp server ignores specified port and tries to use 25 http://stackoverflow.com/questions/1990454/using-javamail-to-connect-to-gmail-smtp-server-ignores-specified-port-and-tries Also socketFactory properties is no longer necessary in modern JVMs but you might need to set 'mail.smtps.auth' and 'mail.smtps.starttls.enable'..
What is the use of marker interfaces in Java? http://stackoverflow.com/questions/1995198/what-is-the-use-of-marker-interfaces-in-java will behave correctly when serialized and deserialized. In modern Java marker interfaces have no place. They can be completely..
Why did java have the reputation of being slow? [closed] http://stackoverflow.com/questions/2163411/why-did-java-have-the-reputation-of-being-slow I have is for applets which are indeed quite slow even on modern hardware. My question is Java really slow If yes why Is it because..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android share improve this question Note that memory usage on modern operating systems like Linux is an extremely complicated and..
In Java, how to read from a file a specific line, given the line number? http://stackoverflow.com/questions/2312756/in-java-how-to-read-from-a-file-a-specific-line-given-the-line-number 31 previous lines. That's true for all languages and all modern file systems. So effectively you'll simply read lines until..
Compiled vs. Interpreted Languages http://stackoverflow.com/questions/3265357/compiled-vs-interpreted-languages fly Can be more convenient for dynamic languages Note that modern techniques such as bytecode compilation add some extra complexity..
How do you subtract Dates in Java? http://stackoverflow.com/questions/3526485/how-do-you-subtract-dates-in-java 3653 where it's only 2 lines of code in .NET or any modern language you name. Is this atrocious of java Or is there a hidden..
Why use a prime number in hashCode? http://stackoverflow.com/questions/3613102/why-use-a-prime-number-in-hashcode of buckets is unlikely to be divisible by it and in fact modern java HashMap implementations keep the number of buckets to a..
How can we match a^n b^n with Java regex? http://stackoverflow.com/questions/3644266/how-can-we-match-an-bn-with-java-regex by the context free grammar S aSb ab . Nonetheless modern day regex implementations clearly recognize more than just regular..
Unicode equivalents for \w and \b in Java regular expressions? http://stackoverflow.com/questions/4304928/unicode-equivalents-for-w-and-b-in-java-regular-expressions equivalents for w and b in Java regular expressions Many modern regex implementations interpret the w character class shorthand..
Is System.nanoTime() completely useless? http://stackoverflow.com/questions/510462/is-system-nanotime-completely-useless course we have no idea what IBM JVMs do. But Sun JVMs on modern Windows and Linux get this right. EDIT This answer is based..
How many threads can a Java VM support? http://stackoverflow.com/questions/763579/how-many-threads-can-a-java-vm-support and to have a stack for each Thread. Any machine with a modern CPU most recent couple generations of AMD or Intel and with..
CSRF, XSS and SQL Injection attack prevention in JSF http://stackoverflow.com/questions/7722159/csrf-xss-and-sql-injection-attack-prevention-in-jsf this depends on the persistence API you're using raw JDBC modern JPA or good ol' Hibernate but all boils down that you should..
What is the difference between Serializable and Externalizable in Java? http://stackoverflow.com/questions/817853/what-is-the-difference-between-serializable-and-externalizable-in-java to get a meaningful benefit from Externalizable with a modern JVM. Also the built in Java serialization mechanism isn't the..
Does setting Java objects to null do anything anymore? http://stackoverflow.com/questions/850878/does-setting-java-objects-to-null-do-anything-anymore And this is the advice that probably no longer holds on modern JVMs it turns out that the JIT compiler can work out at what..
The performance impact of using instanceof in Java http://stackoverflow.com/questions/103564/the-performance-impact-of-using-instanceof-in-java performance instanceof share improve this question Modern JVM JIC compilers have removed the performance hit of most of..
How does the JVM ensure that System.identityHashCode() will never change? http://stackoverflow.com/questions/1063068/how-does-the-jvm-ensure-that-system-identityhashcode-will-never-change jvm hashcode heap memory share improve this question Modern JVMs save the value in the object header. I believe the value..
Why 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 are complete. Then you continue down the correct path. Modern processors are complicated and have long pipelines. So they..
private final static attribute vs private final attribute http://stackoverflow.com/questions/1415955/private-final-static-attribute-vs-private-final-attribute That makes the behaviour much more obvious. Modern IDEs will usually suggest changing the second listing into the..
Why did java have the reputation of being slow? [closed] http://stackoverflow.com/questions/2163411/why-did-java-have-the-reputation-of-being-slow java performance share improve this question Modern Java is one of the fastest languages even though it is still.. to be thread aware from the beginning and it shows. Modern computers usually feature multiple cores and because threading..
Modern alternatives to Java [closed] http://stackoverflow.com/questions/2571267/modern-alternatives-to-java alternatives to Java closed I have been a Java developer for..
Why does Java's hashCode() in String use 31 as a multiplier? http://stackoverflow.com/questions/299304/why-does-javas-hashcode-in-string-use-31-as-a-multiplier and a subtraction for better performance 31 i i 5 i . Modern VMs do this sort of optimization automatically. from Chapter..
Switching from Java to C++ - what's the easy way? [closed] http://stackoverflow.com/questions/403431/switching-from-java-to-c-whats-the-easy-way
Best programming language and framework for cross platform desktop application development? [closed] http://stackoverflow.com/questions/4160162/best-programming-language-and-framework-for-cross-platform-desktop-application-d Relatively rapid development Framework Cross Platform Modern native look feel tcl tk is definitely out this point is paramount.. In particular the following is impossible Cross Platform Modern native look feel tcl tk is definitely out this point is paramount..
Modern alternative to Java XStream library? http://stackoverflow.com/questions/6159047/modern-alternative-to-java-xstream-library alternative to Java XStream library I used XStream many years..
How a AST for an object oriented programming language would look like? http://stackoverflow.com/questions/6376662/how-a-ast-for-an-object-oriented-programming-language-would-look-like representation of an AST is described by Apple in his book Modern Compiler Implementation in Java . Resources can be found here..
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