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java Programming Glossary: sehttp://stackoverflow.com/questions/1318645/javafx-or-swing performance Integration JavaFX 2 is now part of the Java SE JavaFX 2 is now available for Windows OSX and Linux JavaFX 2..
Java maximum memory on Windows XP http://stackoverflow.com/questions/171205/java-maximum-memory-on-windows-xp I've always been able to allocate 1400 megabytes for Java SE running on 32 bit Windows XP Java 1.4 1.5 and 1.6 . java Xmx1400m..
Do I need <class> elements in persistence.xml? http://stackoverflow.com/questions/1780341/do-i-need-class-elements-in-persistence-xml compliant Hibernate supports auto detection even in Java SE. To do so add the hibernate.archive.autodetection property persistence.. Hibernate however supports auto detection even in JSE. class pl.michalmech.eventractor.domain.User class class pl.michalmech.eventractor.domain.Address..
What is difference between “Class.forName()” and “Class.forName().newInstance()”? http://stackoverflow.com/questions/2092659/what-is-difference-between-class-forname-and-class-forname-newinstance
http://stackoverflow.com/questions/2349633/servlets-doget-and-dopost strongly recommend to learn a bit more about basic Java SE API using the Oracle tutorials check the chapter Trails Covering..
Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean? http://stackoverflow.com/questions/250517/java-se-6-vs-jre-1-6-vs-jdk-1-6-what-do-these-mean SE 6 vs. JRE 1.6 vs. JDK 1.6 What do these mean I see many different.. that Java 6 Java 1.6. However when I install Java SE 6 I get a JVM that reports as version 11.0 Who can solve the.. numbers the java version on mine that's 1.6.0_07 the Java SE Runtime Environment version build 1.6.0_07 b06 and the HotSpot..
Netbeans GUI editor generating its own incomprehensible code http://stackoverflow.com/questions/2561480/netbeans-gui-editor-generating-its-own-incomprehensible-code application it creates some code which I DO NOT RECOGNISE AT ALL as what i had learnt in swing. It imports packages such.. table. Rather than Java Application Creates a new Java SE application in a standard IDE project. You can also generate.. f new JFrame f.setDefaultCloseOperation JFrame.EXIT_ON_CLOSE f.add new NewJPanel f.pack f.setVisible true And a NewJPanel..
How do I “decompile” Java class files? http://stackoverflow.com/questions/272535/how-do-i-decompile-java-class-files final release of JSR 176 defining the major features of J2SE 5.0 Java SE 5 has been published on september 30 2004. The lastest.. of JSR 176 defining the major features of J2SE 5.0 Java SE 5 has been published on september 30 2004. The lastest Java..
How do I extract a tar file in Java? http://stackoverflow.com/questions/315618/how-do-i-extract-a-tar-file-in-java possibly use Ant to do what you need. Gzip is part of Java SE and I'm guessing the Ant implementation follows the same model..
Switch Statement with Strings in Java http://stackoverflow.com/questions/338206/switch-statement-with-strings-in-java statements with String cases have been implemented in Java SE 7 at least 16 years after they were first requested. A clear..
Java Webservice Client (Best way) http://stackoverflow.com/questions/3588616/java-webservice-client-best-way Clients start here Introducing JAX WS 2.0 With the Java SE 6 Platform Part 1 Creating a Simple Web Service and Client with..
How to convert number to words in java http://stackoverflow.com/questions/3911966/how-to-convert-number-to-words-in-java Here is the code I don't think there is any method in SE. It basically converts number to string and parses String and..
http://stackoverflow.com/questions/6093537/for-loop-optimization It doesn't optimize for me. java version 1.6.0_22 Java TM SE Runtime Environment build 1.6.0_22 b04 Java HotSpot TM Client..
Why is subtracting these two times (in 1927) giving a strange result? http://stackoverflow.com/questions/6841333/why-is-subtracting-these-two-times-in-1927-giving-a-strange-result be 1 UPDATE Java version java version 1.6.0_22 Java TM SE Runtime Environment build 1.6.0_22 b04 Dynamic Code Evolution..
http://stackoverflow.com/questions/7295096/what-exactly-is-java-ee exactly is Java EE I have been doing Java SE for some years now and moving on to Java EE. However I have..
Failed to load the JNI shared Library (JDK) http://stackoverflow.com/questions/7352493/failed-to-load-the-jni-shared-library-jdk exists at that path. It does exist. My Eclipse and Java SE Development Kit are both 64 bit. I checked my system and it..
String's Maximum length in Java - calling length() method http://stackoverflow.com/questions/816142/strings-maximum-length-in-java-calling-length-method Chapter 10 Arrays of The Java Language Specification Java SE 7 Edition says the following The variables contained in an array..
Why does Java have transient variables? http://stackoverflow.com/questions/910374/why-does-java-have-transient-variables be serialized. From the Java Language Specification Java SE 7 Edition Section 8.3.1.3. transient Fields Variables may be..
Performance ConcurrentHashmap vs HashMap http://stackoverflow.com/questions/1378310/performance-concurrenthashmap-vs-hashmap .get operation I'm especially interested for the case of only few items in the range between maybe 0 5000 Is there.. the range between maybe 0 5000 Is there any reason not to use ConcurrentHashMap instead of HashMap I know that null values.. Update just to clarify obviously the performance in case of actual concurrent access will suffer but how compares the..
Places where JavaBeans are used? http://stackoverflow.com/questions/1727603/places-where-javabeans-are-used where JavaBeans are used What is a JavaBean and why do I need it since I can create.. beans And can you give me some examples where beans are essential instead of classes and interfaces Please explain the essentiality.. me some examples where beans are essential instead of classes and interfaces Please explain the essentiality of a bean in..
Using static variables in Android http://stackoverflow.com/questions/2475978/using-static-variables-in-android the app not when it goes into the background or pauses but is completely shut down. So think of it as living as long.. idea People have different views. I think it's fine when used appropriately myself. I don't think the answer changes much.. views. I think it's fine when used appropriately myself. I don't think the answer changes much on Android. Memory..
http://stackoverflow.com/questions/2842695/what-is-microbenchmarking is microbenchmarking I've heard this term used but I'm not entirely sure what it means so What DOES it mean.. of an operating system. The danger is that people may use whatever results they obtain from microbenchmarking to dictate.. being measured takes so little time that whatever you use to measure it takes longer than the actual operation itself..
How to read properties file in web application? http://stackoverflow.com/questions/3160691/how-to-read-properties-file-in-web-application web application Properties file location is WEB INF classes auth.properties . I cannot use JSF specific ways with ExternalContext.. location is WEB INF classes auth.properties . I cannot use JSF specific ways with ExternalContext because I need properties.. . I cannot use JSF specific ways with ExternalContext because I need properties file in a service module which doesn't have..
How do I manage cookies with HttpClient in Android and/or Java? http://stackoverflow.com/questions/3587254/how-do-i-manage-cookies-with-httpclient-in-android-and-or-java or Java I am trying to login to a site and maintain that session cookie so that the server will recognize my login but I.. to a site and maintain that session cookie so that the server will recognize my login but I am struggling to figure out.. figure out a way of extracting the cookie from the response and setting into a request to maintain my login. I'm wondering..
http://stackoverflow.com/questions/389746/ldap-java-library Java library We are using J2EE to develop a security product that relies on LDAP for authentication and role.. product that relies on LDAP for authentication and role based user management. The team has implemented this using the JNDI.. that relies on LDAP for authentication and role based user management. The team has implemented this using the JNDI but..
http://stackoverflow.com/questions/4002976/ide-style-program-running My Goal I am attempting to make a Java program in which a user can select any .class or .jar file from their computer. My.. I am attempting to make a Java program in which a user can select any .class or .jar file from their computer. My program.. it as the console capturing any console output from the user's program. When the user's program closes calls System.exit..
Hibernate Validation of Collections of Primitives http://stackoverflow.com/questions/4308224/hibernate-validation-of-collections-of-primitives do something like @Email public List String getEmailAddresses return this.emailAddresses In other words I want each item.. List String getEmailAddresses return this.emailAddresses In other words I want each item in the list to be validated.. in the list to be validated as an email address. Of course it is not acceptable to annotate a collection like this. Is..
How to parse date string to Date? http://stackoverflow.com/questions/4496359/how-to-parse-date-string-to-date to parse date string to Date How to parse the Date string below to Date.. to parse date string to Date How to parse the Date string below to Date object String target Thu Sep 28.. SimpleDateFormat E MM dd kk mm ss z yyyy Date result df.parse target Throws exception... java.text.ParseException Unparseable..
http://stackoverflow.com/questions/5038798/uploading-of-pdf-file give browsing facility but dont upload file. When i click sendfile button Its display uploadfile.html code page. How can.. java HTml HEAD TITLE Display file upload form to the user TITLE HEAD for uploading the file we used Encrypt type of multipart.. form to the user TITLE HEAD for uploading the file we used Encrypt type of multipart form data and input of file type..
http://stackoverflow.com/questions/5560176/is-integer-immutable Secondary question and a little offtopic Immutable classes do not need copy constructors . Anyone care to explain why.. But it now equals something different. This is because str is now a completely newly instantiated object just as your.. as your Integer is. So the value of a did not mutate per se but it was replaced with a completely new object i.e. new Integer..
Java XPath (Apache JAXP implementation) performance http://stackoverflow.com/questions/6340802/java-xpath-apache-jaxp-implementation-performance performance NOTE If you experience this issue as well please upvote it on Apache JIRA https issues.apache.org jira browse.. upvote it on Apache JIRA https issues.apache.org jira browse XALANJ 2540 I have come to an astonishing conclusion that this.. org.apache.xpath.jaxp.XPathImpl I'm really confused because it's easy to see how JAXP could optimise the above..
HTTP API Request Using Java For Android http://stackoverflow.com/questions/7000736/http-api-request-using-java-for-android Android app using the API and the API is HTTP protocol based RESTful how can I use the HTTPClient object to do so I have.. API and the API is HTTP protocol based RESTful how can I use the HTTPClient object to do so I have a general request info... SE Auth 90a6d325e982f764f86a7e248edf6a660d4ee833 The response of the above would be if success. HTTP 1.1 200 OK Date Thu 17..
Java: How to read and write xml files? http://stackoverflow.com/questions/7373567/java-how-to-read-and-write-xml-files standalone no DOCTYPE roles SYSTEM roles.dtd roles role1 User role1 role2 Author role2 role3 Admin role3 role4 roles and.. role3 #PCDATA ELEMENT role4 #PCDATA First import these import javax.xml.parsers. import javax.xml.transform. import.. role4 #PCDATA First import these import javax.xml.parsers. import javax.xml.transform. import javax.xml.transform.dom...
How to find a button source in AWT (calculator homework) http://stackoverflow.com/questions/7441625/how-to-find-a-button-source-in-awt-calculator-homework homework We were asked to make a simple GUI calculator I used getSource to detect the buttons cause that's what they taught.. GUI calculator I used getSource to detect the buttons cause that's what they taught us. It works by typing the 1st and 2nd.. the operation it worked. But I made a mistake because what they want us to do is that the numbers should also be buttons..
http://stackoverflow.com/questions/797549/get-login-username-in-java login username in java How can I get the username login name in Java.. login username in java How can I get the username login name in Java This is the code I have tried... try.. i 0 i principals.length i if principals i instanceof NTUserPrincipal principals i instanceof UnixPrincipal String loggedInUserName..
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