java Programming Glossary: lessWhy 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 System.out.println sum sum with a similar but less extreme result. My first thought was that sorting brings the.. try to identify a pattern and follow it. This is more or less how branch predictors work. Most applications have well behaved.. recognizable patterns branch predictors are virtually useless. Further Reading Branch_predictor . As hinted from above the..
Why is Java Vector class considered obsolete or deprecated? http://stackoverflow.com/questions/1386275/why-is-java-vector-class-considered-obsolete-or-deprecated of operations. Synchronizing individual operations is both less safe if you iterate over a Vector for instance you still need..
Real differences between “java -server” and “java -client”? http://stackoverflow.com/questions/198577/real-differences-between-java-server-and-java-client the compiler in the Server VM but in exchange it requires less time to analyze and compile a piece of code. This means the..
Java: recommended solution for deep cloning/copying an instance http://stackoverflow.com/questions/2156120/java-recommended-solution-for-deep-cloning-copying-an-instance the job in one line. pro easy to write no maintenance cons less control of what happens bug prone with mutable object if the..
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 alone swap which we don't use on Android and it is even less clear. Thus if you were to take all of the physical RAM actually.. of memory available to the kernel and user space often less than the actual physical RAM of the device since some of that..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet to do this on your own or copypaste some homegrown library less code found elsewhere on the Internet. Many online sources have.. FileUpload under the covers for this . This is a bit less convenienced than when using pure Apache Commons FileUpload..
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 since there are about 2 31.5 integers whose square is less than 2 63 . Here is the very simple and straightforward way.. since part of the challenge is to do every algorithm in less than a minute and this function will need to be called millions.. run over the first 100 million integers . For values of n less than 410881 it runs in only 29 of the time required by the original..
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 equivalent to shifting. The advantage of using a prime is less clear but it is traditional. A nice property of 31 is that the..
What are the pros and cons of the leading Java HTML parsers? http://stackoverflow.com/questions/3152138/what-are-the-pros-and-cons-of-the-leading-java-html-parsers It's much more than alone a HTML parser. It's a real GUI less webbrowser and HTML unit testing tool. Jsoup Jsoup also provides.. answerer.text Do you see the difference It's not only less code but Jsoup is also relatively easy to grasp if you already..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files If you want to invoke the same Java code on every request less or more regardless of the requested page e.g. checking if an.. the same Java code on every request less or more regardless of the requested page e.g. checking if an user is logged in..
What's wrong with overridable method calls in constructors? http://stackoverflow.com/questions/3404301/whats-wrong-with-overridable-method-calls-in-constructors can see this isn't a pleasant pattern to write and even less pleasant to use What does true mean here What's 13 . Bloch recommends..
Howto unescape a Java string literal in Java http://stackoverflow.com/questions/3537706/howto-unescape-a-java-string-literal-in-java Anyway here's the string unescaper which although the less interesting of the pair does solve the OP 䏭 question without..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications existing and well developed framework takes in long term less time than developing and maintaining a robust framework yourself...
What is reflection, and why is it useful? http://stackoverflow.com/questions/37628/what-is-reflection-and-why-is-it-useful typing system isn't really designed to support this unless the object conforms to a known interface but using reflection.. typed languages the use case described above is less necessary since the compiler will allow any method to be called..
Declare local variables as late as possible or at the nearest curly brace they belong? [closed] http://stackoverflow.com/questions/10204828/declare-local-variables-as-late-as-possible-or-at-the-nearest-curly-brace-they-b they belong. Concerns are Code Readability Performance Less Error Prone Any Comments are welcomed. java android oop variables..
Customizable Shortcuts in Java Application http://stackoverflow.com/questions/11712180/customizable-shortcuts-in-java-application may be specified as accelerators in instances of Action . Less flexibly shortcuts may be represented by KeyEvent instances..
Handling Character Encoding in URI on Tomcat http://stackoverflow.com/questions/1233076/handling-character-encoding-in-uri-on-tomcat entry has a nice table of valid and invalid bytes . Less reliable would be to look a the Accept Charset header in the..
http://stackoverflow.com/questions/13098143/java-integer-constant-pool an undue performance penalty especially on small devices. Less memory limited implementations might for example cache all char..
Why equal operator works for Integer value until 128 number? http://stackoverflow.com/questions/15024933/why-equal-operator-works-for-integer-value-until-128-number an undue performance penalty especially on small devices. Less memory limited implementations might for example cache all characters..
http://stackoverflow.com/questions/3130311/weird-integer-boxing-in-java an undue performance penalty especially on small devices. Less memory limited implementations might for example cache all characters..
What is the difference between Eclipse and Netbeans if I want to use only the Java in it? [closed] http://stackoverflow.com/questions/330027/what-is-the-difference-between-eclipse-and-netbeans-if-i-want-to-use-only-the-ja template which fills a different but similar niche . Less choice. If you don't like one of the included tools it's unlikely..
Integer wrapper objects share the same instances only within the value 127? http://stackoverflow.com/questions/5117132/integer-wrapper-objects-share-the-same-instances-only-within-the-value-127 an undue performance penalty especially on small devices. Less memory limited implementations might for example cache all char..
Pros and cons of using java.util.timer vs Quartz for scheduling? http://stackoverflow.com/questions/8078130/pros-and-cons-of-using-java-util-timer-vs-quartz-for-scheduling 1.3 out of the box For your functionality probably enough Less flexible but less complex as well I am personally using Quartz..
How != and == operators work on Integers in Java? http://stackoverflow.com/questions/9824053/how-and-operators-work-on-integers-in-java j 128 might return the same reference not guaranteed Less memory limited implementations might for example cache all char..
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