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java Programming Glossary: specJava EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean http://stackoverflow.com/questions/11986847/java-ee-6-javax-annotation-managedbean-vs-javax-inject-named-vs-javax-faces I feel there is a little mess in the Java EE 6 spec. There are several sets of annotations. We have javax.ejb annotations.. but they could not gather all requirements in one specification because they could not predict the future requirements.. through the use of Qualifiers that can help match the specific class that you want injected. If you have multiple payment..
Why no static methods in Interfaces, but static fields and inner classes OK? http://stackoverflow.com/questions/129267/why-no-static-methods-in-interfaces-but-static-fields-and-inner-classes-ok consistent and allow them. java interface java language spec share improve this question I'm going to go with my pet..
Which overload will get selected for null in Java? http://stackoverflow.com/questions/1545501/which-overload-will-get-selected-for-null-in-java invocation share improve this question The most specific method will be called in this case showInputDialog Component.. Method Signature step of overload resolution in the spec 15.12.2 and in particular Choosing the Most Specific Method.. into the details which you can read just as well in the spec as here the introduction gives a good summary If more than one..
http://stackoverflow.com/questions/1667278/parsing-query-strings-in-java query strings is a well defined problem but reading the spec and understanding the nuances is non trivial. It is far better..
Do I need <class> elements in persistence.xml? http://stackoverflow.com/questions/1780341/do-i-need-class-elements-in-persistence-xml orders and customers. It does not rely on any vendor specific features and can therefore be deployed to any persistence.. source jdbc MyOrderDB . The jar file and class elements specify managed persistence classes entity classes embeddable classes.. classes and mapped superclasses. The jar file element specifies JAR files that are visible to the packaged persistence..
bug with varargs and overloading? http://stackoverflow.com/questions/2521293/bug-with-varargs-and-overloading auto boxing which also leads to hard to follow behaviour especially in combination with varargs have been bolted on later in.. is one area where it shows. So it is more a bug in the spec than in the compiler. At least it makes for good SCJP trick..
How to detect the presence of URL in a string http://stackoverflow.com/questions/285619/how-to-detect-the-presence-of-url-in-a-string for instance url.getProtocol Or the rest of the attributes spec port file query ref etc. etc http java.sun.com javase 6 docs..
Suggestions for library to hash passwords in Java http://stackoverflow.com/questions/2860943/suggestions-for-library-to-hash-passwords-in-java byte salt new byte 16 random.nextBytes salt KeySpec spec new PBEKeySpec password .toCharArray salt 65536 128 SecretKeyFactory.. PBKDF2WithHmacSHA1 byte hash f.generateSecret spec .getEncoded System.out.println salt new BigInteger 1 salt .toString..
Why doesn't Java support unsigned ints? http://stackoverflow.com/questions/430346/why-doesnt-java-support-unsigned-ints meaning was could I expect J. Random Developer to hold the spec in his head. That definition says that for instance Java isn't..
Migrating from JSF 1.2 to JSF 2.0 http://stackoverflow.com/questions/4441713/migrating-from-jsf-1-2-to-jsf-2-0 root declaration of faces config.xml to comply JSF 2.0 spec. faces config xmlns http java.sun.com xml ns javaee xmlns xsi.. you should also have only the jsp include as the sole JSP specific tag. Any of those needs to be changed from jsp include page.. at least some useful links with regard to migration of the specific component library RichFaces Migration Guide 3.3.x to 4.x..
http://stackoverflow.com/questions/5418292/jsf-2-0-file-upload 3.0 and JSF 2.0. The web.xml must comply Servlet 3.0 spec and already contain the JSF servlet xml version 1.0 encoding.. mapping web app The faces config.xml must comply JSF 2.0 spec xml version 1.0 encoding UTF 8 faces config xmlns http java.sun.com..
CSRF, XSS and SQL Injection attack prevention in JSF http://stackoverflow.com/questions/7722159/csrf-xss-and-sql-injection-attack-prevention-in-jsf input as HTML wherein you would like to allow only a specific subset of HTML tags like b i u etc then you need to sanitize.. further improved by making it a required part of the JSF2 specification. See also JSF spec issue 869 . SQL injection This is.. it a required part of the JSF2 specification. See also JSF spec issue 869 . SQL injection This is not JSF's responsibility...
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 should be evaluated. Also here is a tidbit from the spec that hasn't been mentioned Note that it is a compile time error..
How to reference components in JSF ajax? Cannot find component with identifier “foo” in view http://stackoverflow.com/questions/8634156/how-to-reference-components-in-jsf-ajax-cannot-find-component-with-identifier . p commandLink update tabs form display This all is specified as search expression in the UIComponent#findComponent javadoc.. expression. Note that PrimeFaces also adheres the JSF spec but RichFaces uses some additional exceptions . reRender uses..
Java 256-bit AES Password-Based Encryption http://stackoverflow.com/questions/992019/java-256-bit-aes-password-based-encryption and 256 bits may not be available Generate the secret key specs. SecretKey skey kgen.generateKey byte raw skey.getEncoded Code.. SecretKeyFactory.getInstance PBKDF2WithHmacSHA1 KeySpec spec new PBEKeySpec password salt 65536 256 SecretKey tmp factory.generateSecret.. salt 65536 256 SecretKey tmp factory.generateSecret spec SecretKey secret new SecretKeySpec tmp.getEncoded AES Encrypt..
jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class http://stackoverflow.com/questions/15601469/jar-not-loaded-see-servlet-spec-2-3-section-9-7-2-offending-class-javax-serv not loaded. See Servlet Spec 2.3 section 9.7.2. Offending class javax servlet Servlet.class.. INF lib servlet api 2.4.jar jar not loaded. See Servlet Spec 2.3 section 9.7.2. Offending class javax servlet Servlet.class..
Java, xml, XSLT: Prevent DTD-Validation http://stackoverflow.com/questions/1572808/java-xml-xslt-prevent-dtd-validation document is wellformed xhtml and so contains a valid DTD Spec DOCTYPE html PUBLIC W3C DTD XHTML 1.0 Transitional EN http www.w3.org..
with java update 7.45 the system properties no more set from jnlp tag “property” http://stackoverflow.com/questions/19400725/with-java-update-7-45-the-system-properties-no-more-set-from-jnlp-tag-property the same Problem with Java 7 Update 45 1.7.0_45 . The JNLP Spec gave a hint for a work around Properties set in the jnlp file..
http://stackoverflow.com/questions/1993493/error-servlet-jar-not-loaded WEB INF lib servlet api.jar jar not loaded. See Servlet Spec 2.3 sectoin 9.7.2. Offending class javax servlet Servlet.class..
Java: How do you really force a GC using JVMTI's ForceGargabeCollection? http://stackoverflow.com/questions/2178296/java-how-do-you-really-force-a-gc-using-jvmtis-forcegargabecollection originates in pedantic interpretation of the JLS and JVM Spec which allow for Java implementations that don't have a garbage..
Java method overloading + double dispatch http://stackoverflow.com/questions/2794195/java-method-overloading-double-dispatch in Java involved here Any direct reference to Java Lang Spec Which term describes this behaviour Thanks a lot. public class..
Differences in boolean operators: & vs && and | vs || http://stackoverflow.com/questions/4014535/differences-in-boolean-operators-vs-and-vs pointing out the appropriate section in the Java Language Spec 15.22.1 15.22.2 regarding the different behaviors of the operator..
How do I import the javax.servlet API in my Eclipse project? http://stackoverflow.com/questions/4076601/how-do-i-import-the-javax-servlet-api-in-my-eclipse-project argument to function jar not loaded. See Servlet Spec 2.3 section 9.7.2. Offending class javax servlet Servlet.class..
Type Erasure and Overloading in Java: Why does this work? http://stackoverflow.com/questions/5527235/type-erasure-and-overloading-in-java-why-does-this-work list f List Long According to the current Java Language Spec m1 and m2 cannot coexist nor can m3 and m4. because they have..
Does Java bean's setter permit return this? http://stackoverflow.com/questions/5741369/does-java-beans-setter-permit-return-this property sheet. So mixing fluent APIs and JavaBeans Spec in my opinion is a no go. That's two completely unrelated concepts..
Java WebStart slow, requesting libraries from invalid folder http://stackoverflow.com/questions/5770807/java-webstart-slow-requesting-libraries-from-invalid-folder . Chase the link in the page to the downloadable only API Specification for further details of the package element. And as.. details of the package element. And as an aside the API Spec. is the single best resource on JWS. I wish Oracle would make..
http://stackoverflow.com/questions/6094329/tomcat-7-and-jstl the jar files deployed with this application Tomcat 7 has Spec versions Servlet 3.0 JSP 2.2 EL 2.2 so JSTL is not included..
Compile to java bytecode (without using Java) http://stackoverflow.com/questions/688098/compile-to-java-bytecode-without-using-java compiler bytecode share improve this question The VM Spec The Class File Format and the The Java Virtual Machine Instruction..
Why generate long serialVersionUID instead of a simple 1L? http://stackoverflow.com/questions/888335/why-generate-long-serialversionuid-instead-of-a-simple-1l
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