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java Programming Glossary: systemHow to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android this question Note that memory usage on modern operating systems like Linux is an extremely complicated and difficult to understand.. is mostly there to help an application gauge how close the system is coming to having no more memory for background processes.. in part to avoid one app from being able to stress the system to this point. Going lower level you can use the Debug API to..
getResourceAsStream() vs FileInputStream http://stackoverflow.com/questions/2308188/getresourceasstream-vs-fileinputstream The java.io.File and consorts acts on the local disk file system. The root cause of your problem is that relative paths in java.io.. That's only portability trouble i.e. it runs in system X but not in system Y . The normal practice is to place those.. portability trouble i.e. it runs in system X but not in system Y . The normal practice is to place those kind of resources..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests You may want to turn it off by setting the http.keepAlive system property to false . You can do this programmatically in the..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog to download files easily and delegate the hard work to the system. First let's see a utility method @param context used to check..
http://stackoverflow.com/questions/3954616/java-look-and-feel-lf is a lot of possibilities for LaFs The native for your system The nimbus LaF Web LaF The substance project forked into the..
How to best position Swing GUIs http://stackoverflow.com/questions/7143287/how-to-best-position-swing-guis appear at the default location for the native windowing system or at the current location returned by getLocation the next.. programmatically setting its location. Most windowing systems cascade windows if their locations are not explicitly set...
http://stackoverflow.com/questions/1784786/mathml-and-java Symbolic Calculator for Mobile Devices Java Algebra System The Apache Commons Mathematics Library Calculator projects for..
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)? http://stackoverflow.com/questions/2062020/how-can-i-tell-if-im-running-in-64-bit-jvm-or-32-bit-jvm-from-within-a-program 32 bit share improve this question Sun has a Java System property to determine the bitness of the JVM 32 or 64 sun.arch.data.model.. 32 bit JVM sun.arch.data.model 64 64 bit JVM You can use System.getProperty sun.arch.data.model to determine if its 32 64 from..
How to limit setAccessible to only “legitimate” uses? http://stackoverflow.com/questions/2481862/how-to-limit-setaccessible-to-only-legitimate-uses Exception setFinalStatic Boolean.class.getField FALSE true System.out.format Everything is s false Everything is true You can.. IntegerCache .getDeclaredField cache ultimateAnswer System.out.format 6 9 d 6 9 6 9 42 Presumably the API designers realize.. String args throws Exception final String s Hello world System.out.println s Hello world mutate s System.out.println s HELLO..
How to set java_home on Windows 7? http://stackoverflow.com/questions/2619584/how-to-set-java-home-on-windows-7 on Windows 7 I went to the Environment Variables in 'System' in the control panel and made 2 new variables. one for user.. tab. Click the Environment Variables button. Under System Variables click New. Enter the variable name as JAVA_HOME ...
Java: How to test methods that call System.exit()? http://stackoverflow.com/questions/309396/java-how-to-test-methods-that-call-system-exit How to test methods that call System.exit I've got a few methods that should call System.exit on.. call System.exit I've got a few methods that should call System.exit on certain inputs. Unfortunately testing these cases causes.. method calls in a new Thread doesn't seem to help since System.exit terminates the JVM not just the current thread. Are there..
What is the difference between compare() and compareTo()? http://stackoverflow.com/questions/420223/what-is-the-difference-between-compare-and-compareto a Comparator for each of these to pass to the sort method. System class To provide comparison methods for classes that you have..
Android SDK installation doesn't find JDK http://stackoverflow.com/questions/4382178/android-sdk-installation-doesnt-find-jdk I'm trying to install the Android SDK on my Windows 7 x64 System. jdk 6u23 windows x64.exe is installed but the Android SDK setup..
C# vs Java Enum (for those new to C#) http://stackoverflow.com/questions/469287/c-sharp-vs-java-enum-for-those-new-to-c pEarth.surfaceGravity for Planet p Planet.values System.out.printf Your weight on s is f n p p.surfaceWeight mass Example.. and expose static readonly instances of that class using System using System.Collections.Generic namespace ConsoleApplication1.. static readonly instances of that class using System using System.Collections.Generic namespace ConsoleApplication1 class Program..
Getting the Current Working Directory in Java http://stackoverflow.com/questions/4871051/getting-the-current-working-directory-in-java using String current new java.io.File . .getCanonicalPath System.out.println Current dir current String currentDir System.getProperty.. System.out.println Current dir current String currentDir System.getProperty user.dir System.out.println Current dir using System.. dir current String currentDir System.getProperty user.dir System.out.println Current dir using System currentDir OutPut Current..
Displaying Currency in Indian Numbering Format http://stackoverflow.com/questions/5379231/displaying-currency-in-indian-numbering-format 10 00 000 1 00 00 000 10 00 00 000 Refer Indian Numbering System The separators are after two digits except for the last set.. new Locale en in System.out.println format.format new BigDecimal 100000000 This code..
Solving a “communications link failure” with jdbc and mysql http://stackoverflow.com/questions/6865538/solving-a-communications-link-failure-with-jdbc-and-mysql conn DriverManager.getConnection url userName password System.out.println Database connection established catch Exception.. Database connection established catch Exception e System.err.println Cannot connect to database server System.err.println.. e System.err.println Cannot connect to database server System.err.println e.getMessage e.printStackTrace finally if conn..
Java 7 language features with Android http://stackoverflow.com/questions/7153989/java-7-language-features-with-android but without .isAlphabetic and .isIdeographic System .lineSeparator undocumented java.lang.reflect.Modifier .classModifiers..
List of useful environment settings in Java http://stackoverflow.com/questions/7585699/list-of-useful-environment-settings-in-java information for the JVM. An incomplete list of examples System.out System.in System.currentTimeMillis System.getProperty System.getConsole.. for the JVM. An incomplete list of examples System.out System.in System.currentTimeMillis System.getProperty System.getConsole.. JVM. An incomplete list of examples System.out System.in System.currentTimeMillis System.getProperty System.getConsole Runtime.freeMemory..
Access restriction on class due to restriction on required library rt.jar? http://stackoverflow.com/questions/860187/access-restriction-on-class-due-to-restriction-on-required-library-rt-jar Path settings in the project properties. Remove the JRE System Library Add it back Select Add Library and select the JRE System.. Library Add it back Select Add Library and select the JRE System Library. The default worked for me. This works because you have..
Java client certificates over HTTPS/SSL http://stackoverflow.com/questions/875467/java-client-certificates-over-https-ssl certificate to a default java keystore which I found in System Library Frameworks JavaVM.framework Versions 1.6.0 Home lib..
How do I move my JMenuBar to the screen menu bar on Mac OS X? http://stackoverflow.com/questions/8955638/how-do-i-move-my-jmenubar-to-the-screen-menu-bar-on-mac-os-x be in my window I need to remove that space. I am using System.setProperty apple.laf.useScreenMenuBar true to move my JMenuBar.. example from my source public static void main String args System.setProperty apple.laf.useScreenMenuBar true System.setProperty.. args System.setProperty apple.laf.useScreenMenuBar true System.setProperty com.apple.mrj.application.apple.menu.about.name..
Runnable JARs missing Images/Files (Resources) http://stackoverflow.com/questions/8960381/runnable-jars-missing-images-files-resources by manually visiting this Source Folder through File System . Name this New Folder as images and copy your images to this..
Validate an XML file against local DTD file with Java http://stackoverflow.com/questions/1096365/validate-an-xml-file-against-local-dtd-file-with-java transformer.setOutputProperty OutputKeys.DOCTYPE_SYSTEM xmlValidate.dtd transformer.transform new StreamSource xmlValidate.xml.. XMLEvent dtd eventFactory .createDTD DOCTYPE Employee SYSTEM xmlValidate.dtd XMLInputFactory inFactory XMLInputFactory.newInstance..
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded http://stackoverflow.com/questions/12192592/java-sql-sqlexception-ora-01000-maximum-open-cursors-exceeded Oracle SQL Developer . From SQL it can be set with ALTER SYSTEM SET OPEN_CURSORS 1337 SID ' ' SCOPE BOTH Relating JDBC in the..
http://stackoverflow.com/questions/1264849/pretty-printing-output-from-javax-xml-transform-transformer-with-only-standard-j transformer.setOutputProperty OutputKeys.DOCTYPE_SYSTEM testing.dtd transformer.setOutputProperty OutputKeys.INDENT.. version 1.0 encoding UTF 8 Document comment DOCTYPE aaa SYSTEM testing.dtd aaa bbb ccc aaa Question A The doctype tag appears..
Accessing Access over JDBC (using ODBC?) http://stackoverflow.com/questions/1418807/accessing-access-over-jdbc-using-odbc 1 You won't need to configure every system with a SYSTEM or USER ODBC DSN to access the MDB you want. You can still provide..
How to configure maven hbm2hbmxml and hbm2java to run one after the other in mvn clean install http://stackoverflow.com/questions/2083727/how-to-configure-maven-hbm2hbmxml-and-hbm2java-to-run-one-after-the-other-in-mvn 1.0 encoding UTF 8 DOCTYPE hibernate reverse engineering SYSTEM http hibernate.sourceforge.net hibernate reverse engineering..
http://stackoverflow.com/questions/2106525/java-incorrect-timezone the system clock firstly then checked HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet and ControlSet001 ControlSet002 . All are..
Sample xml configuration for log4j, have a 'main' java application and want to write to file http://stackoverflow.com/questions/2619160/sample-xml-configuration-for-log4j-have-a-main-java-application-and-want-to-w xml version 1.0 encoding UTF 8 DOCTYPE log4j configuration SYSTEM log4j.dtd log4j configuration debug true xmlns log4j 'http..
http://stackoverflow.com/questions/3659412/corejava-project-help-needed to make a corejava project on the topic COLLEGE MANAGEMENT SYSTEM . I have created the required database using MS Access. I m..
how to read System environment variable in Spring applicationContext http://stackoverflow.com/questions/3965446/how-to-read-system-environment-variable-in-spring-applicationcontext db.properties where the actual val is set based on the SYSTEM ENVIRONMENT VARIABLE I'm using Spring 3.0 java spring environment..
How to activate profile by means of maven property? http://stackoverflow.com/questions/5676231/how-to-activate-profile-by-means-of-maven-property now. See this forum post profile activation is based on SYSTEM properties. you cannot activate profiles based on properties..
Getting device/driver information related to a COM port? http://stackoverflow.com/questions/6362775/getting-device-driver-information-related-to-a-com-port to consider USB devices are located at HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Enum USB in the registry tested on WinXP Win7... looked good during use testing. Example String keyPath SYSTEM CurrentControlSet Enum USB Vid_067b Pid_2303 String device1..
Duplicate Flex Sessions With Cross-Domain Requests http://stackoverflow.com/questions/6614298/duplicate-flex-sessions-with-cross-domain-requests is as follows xml version 1.0 DOCTYPE cross domain policy SYSTEM http www.macromedia.com xml dtds cross domain policy.dtd cross..
Java: How to read and write xml files? http://stackoverflow.com/questions/7373567/java-how-to-read-and-write-xml-files xml version 1.0 encoding UTF 8 standalone no DOCTYPE roles SYSTEM roles.dtd roles role1 User role1 role2 Author role2 role3 Admin.. UTF 8 tr.setOutputProperty OutputKeys.DOCTYPE_SYSTEM roles.dtd tr.setOutputProperty http xml.apache.org xslt indent..
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