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java Programming Glossary: languageStandard concise way to copy a file in Java? http://stackoverflow.com/questions/106770/standard-concise-way-to-copy-a-file-in-java a better way that stays within the bounds of the Java language meaning does not involve exec ing OS specific commands Perhaps..
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 in 1.93 seconds. Initially I thought this might be just a language or compiler anomaly. So I tried it in Java import java.util.Arrays..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java hashcode share improve this question The theory for the language lawyers and the mathematically inclined equals javadoc must..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it the introduction of genericity into the Java programming language is strongly discouraged. It is possible that future versions.. is possible that future versions of the Java programming language will disallow the use of raw types. Effective Java 2nd Edition.. to add Given that you shouldn't use raw types why did the language designers allow them To provide compatibility. The Java platform..
What is reflection, and why is it useful? http://stackoverflow.com/questions/37628/what-is-reflection-and-why-is-it-useful in Java but I assume the principles are the same in any language java reflection share improve this question The name reflection.. concepts are pretty much similar in other statically types languages which support reflection like C# . In dynamically typed languages.. which support reflection like C# . In dynamically typed languages the use case described above is less necessary since the compiler..
How to internationalize a Java web application? http://stackoverflow.com/questions/4276061/how-to-internationalize-a-java-web-application process by which I can make my web application to use all languages. I want to understand Unicode for the process of internationalization.. where the key is a constant which is the same for all languages and the value differs per language. Resource bundles are usually.. is the same for all languages and the value differs per language. Resource bundles are usually properties files which are loaded..
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 especially if you lack conditional patterns in your regex language like Java. p I ™ve already verified the behaviour of the boundaries.. other conveniences. This includes definitions for natural language words dashes hyphens and apostrophes plus a bit more. It also..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser SomeDate lastBuildDate docs http someurl.com docs language SomeLanguage language item title TitleOne title description.. docs http someurl.com docs language SomeLanguage language item title TitleOne title description CDATA Some text. description.. String lastBuildDate private String docs private String language public Channel setItems null setTitle null set every field to..
How to choose the right bean scope? http://stackoverflow.com/questions/7031885/how-to-choose-the-right-bean-scope data such as the logged in user and user preferences language etc . Use the application scope for application wide data constants..
What causes java.lang.IncompatibleClassChangeError? http://stackoverflow.com/questions/1980452/what-causes-java-lang-incompatibleclasschangeerror to the library without recompiling the client code. Java Language Specification §13 details all of such changes most prominantly..
What is the difference between JSF, Servlet and JSP? http://stackoverflow.com/questions/2095397/what-is-the-difference-between-jsf-servlet-and-jsp A well known taglib is JSTL . JSP also supports Expression Language which can be used to access backend data actually the attributes..
What is the main-stream Java alternative to ASP.NET / PHP http://stackoverflow.com/questions/2556553/what-is-the-main-stream-java-alternative-to-asp-net-php in Java web development world. Taglibs and EL Expression Language should be preferred above scriptlets . The Java equivalent of..
Varying behavior for possible loss of precision http://stackoverflow.com/questions/2696812/varying-behavior-for-possible-loss-of-precision worth noting C# is a lot more strict in this regard see C# Language Specification 7.13.2 Compound assignment . share improve this..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it share improve this question What is a raw type The Java Language Specification defines a raw type as follows JLS 4.8 Raw Types..
http://stackoverflow.com/questions/2788080/reading-a-text-file-in-java over String parts. for String part parts ... Tutorial Language Basics Control Flow Statements The for Statement You can use..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files since the birth of taglibs like JSTL and EL Expression Language those things over a decade ago. The major disadvantages of scriptlets.. data inside a JSP page then you need to use EL Expression Language those things. E.g. redisplaying submitted input values input..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications have direct access to the Data Model by EL Expression Language . Then there are variations based on how actions and events..
Ideal method to truncate a string with ellipsis http://stackoverflow.com/questions/3597550/ideal-method-to-truncate-a-string-with-ellipsis length return text.substring 0 length 3 ... return text Language doesn't really matter but tagged as Java because that's what..
Why does the JVM still not support tail-call optimization? http://stackoverflow.com/questions/3616483/why-does-the-jvm-still-not-support-tail-call-optimization on every feature priority list ... as mentioned at the JVM Language Summit I would be really interested if someone has tested a..
What does “…” mean in Java? [duplicate] http://stackoverflow.com/questions/4618930/what-does-mean-in-java share improve this question Check out the Java Language Specification Third Edition Chapter 8 Classes . Buried in there..
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 improve this question Because it's specified by Java Language Specification. JLS 5.1.7 Boxing Conversion If the value p being..
Java 7 language features with Android http://stackoverflow.com/questions/7153989/java-7-language-features-with-android Project Structure Modules pick the module at the 2nd pane Language level choose 7.0 Diamonds ARM multi catch etc. This only allows..
What is the Java ?: operator called and what does it do? http://stackoverflow.com/questions/798545/what-is-the-java-operator-called-and-what-does-it-do operator . Edit The official name is given in the Java Language Specification §15.25 Conditional Operator The conditional operator..
String's Maximum length in Java - calling length() method http://stackoverflow.com/questions/816142/strings-maximum-length-in-java-calling-length-method is implemented for String s Chapter 10 Arrays of The Java Language Specification Java SE 7 Edition says the following The variables..
Why does Java have transient variables? http://stackoverflow.com/questions/910374/why-does-java-have-transient-variables that a field should not be serialized. From the Java Language Specification Java SE 7 Edition Section 8.3.1.3. transient Fields..
Is Java 100% object oriented? [closed] http://stackoverflow.com/questions/974583/is-java-100-object-oriented whenever this issue was raised see Guy Steele's Growing a Language the oh noes but what about Joe Sixpack argument is given. Even..
Does Java support default parameter values? http://stackoverflow.com/questions/997482/does-java-support-default-parameter-values . For constructors See Effective Java Programming Language Guide's Item 1 tip Consider static factory methods instead of..
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