http://www.dzone.com/links/queue/tag/java.html DZone: fresh links for developers en-us Copyright (c) 2006 DZone, Inc. Sun, 06 Jul 2008 22:43:01 GMT The DZone community 2008-07-06T22:43:01Z en-us Copyright (c) 2006 DZone, Inc. http://www.dzone.com/links/feed/queue/java/rss.xml http://www.dzone.com/images/std/dzone.com_258x55.gif http://www.dzone.com/links/ http://www.dzone.com/links/rss/3_and_12_minutes_to_sort_a_terabyte_and_a_look_at.html Apache Hadoop Wins Terabyte Sort Benchmark: "One of Yahoo's Hadoop clusters sorted 1 terabyte of data in 209 seconds, which beat the previous record of 297 seconds in the annual general purpose (daytona) terabyte sort benchmark. The sort benchmark, which was created in 1998 by Jim Gray, specifies the input data (10 billion 100 byte records), which must be completely sorted and written to disk. This is the first time that either a Java or an open source program has won. frameworks java Sun, 06 Jul 2008 21:30:32 GMT http://www.dzone.com/links/92950.html bloid 2008-07-06T21:30:32Z Apache Hadoop Wins Terabyte Sort Benchmark: "One of Yahoo's Hadoop clusters sorted 1 terabyte of data in 209 seconds, which beat the previous record of 297 seconds in the annual general purpose (daytona) terabyte sort benchmark. The sort benchmark, which was created in 1998 by Jim Gray, specifies the input data (10 billion 100 byte records), which must be completely sorted and written to disk. This is the first time that either a Java or an open source program has won.]]> 92950 2008-07-06T21:30:32Z 2 0 4 0 http://www.dzone.com/links/images/thumbs/120x90/92950.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/cheri_swing_builder_for_jruby.html This is the first in a two part series covering Ruby libraries targeted at the Swing application development using the Java implementation of the Ruby programming language: JRuby. Cheri's provides a "builder" - a domain specific language (DSL) - that makes Swing application development both expressive and intuitive. frameworks gui java ruby Sun, 06 Jul 2008 20:22:13 GMT http://www.dzone.com/links/92943.html bloid 2008-07-06T20:22:13Z This is the first in a two part series covering Ruby libraries targeted at the Swing application development using the Java implementation of the Ruby programming language: JRuby. Cheri's provides a "builder" - a domain specific language (DSL) - that makes Swing application development both expressive and intuitive.]]> 92943 2008-07-06T20:22:13Z 3 0 4 0 http://www.dzone.com/links/images/thumbs/120x90/92943.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/monkeybars_swing_mvc_framework_for_jruby.html This is the second in the series exploring JRuby libraries designed for Swing application development. This screencast examines Monkeybars, an MVC framework that leverages the strengths of Java and Swing for rich-client UI components and layout management and defers to Ruby for intelligent event response and business logic coordination. frameworks java ruby Sun, 06 Jul 2008 20:21:22 GMT http://www.dzone.com/links/92941.html bloid 2008-07-06T20:21:22Z This is the second in the series exploring JRuby libraries designed for Swing application development. This screencast examines Monkeybars, an MVC framework that leverages the strengths of Java and Swing for rich-client UI components and layout management and defers to Ruby for intelligent event response and business logic coordination.]]> 92941 2008-07-06T20:21:22Z 2 0 3 0 http://www.dzone.com/links/images/thumbs/120x90/92941.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/slick_2d_2.html I’ve been really getting into writing computer games in Java over the last 12 months. I tried all sorts of different libraries to find one which would help speed up the process and after trying a few like Java2D etc I came across Slick. This is an excellent library built on top of LWJGL (Light Weight Java Game Library). This also means that it uses accelerated graphics with full access to OpenGL. frameworks games java Sun, 06 Jul 2008 19:12:10 GMT http://www.dzone.com/links/92935.html bloid 2008-07-06T19:12:10Z I’ve been really getting into writing computer games in Java over the last 12 months. I tried all sorts of different libraries to find one which would help speed up the process and after trying a few like Java2D etc I came across Slick. This is an excellent library built on top of LWJGL (Light Weight Java Game Library). This also means that it uses accelerated graphics with full access to OpenGL.]]> 92935 2008-07-06T19:12:10Z 1 0 12 0 http://www.dzone.com/links/images/thumbs/120x90/92935.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/in_response_to_the_easiest_java_xml_binding_what.html Originally I asked the following question in my last posting: I have an XML document and I want to use that document to populate a corresponding set of Java objects. This is a commonly encountered scenario when working with Java, so what is the easiest method for Java XML Binding that requires the least amount of code? So what about XStream? how-to java open source xml Sun, 06 Jul 2008 19:11:39 GMT http://www.dzone.com/links/92933.html jvalentino 2008-07-06T19:11:39Z Originally I asked the following question in my last posting: I have an XML document and I want to use that document to populate a corresponding set of Java objects. This is a commonly encountered scenario when working with Java, so what is the easiest method for Java XML Binding that requires the least amount of code? So what about XStream?]]> 92933 2008-07-06T19:11:39Z 2 0 5 0 http://www.dzone.com/links/images/thumbs/120x90/92933.jpg jvalentino http://www.dzone.com/links/images/avatars/308895.gif http://www.dzone.com/links/rss/testing_wicket_with_fitnesse.html This blog describes how to test Wicket applications using Fitnesse. It is about stretching the limits of the Wicket test components to do so. We will try to explain this by using a small example project we have created to illustrate things. This example project has been inspired on the new user wizard example by Eelco Hillenius. We adapted this example so that it uses Spring, because most apps use a backend system. gui how-to java web 2.0 Sun, 06 Jul 2008 18:47:26 GMT http://www.dzone.com/links/92931.html mdasberg 2008-07-06T18:47:26Z This blog describes how to test Wicket applications using Fitnesse. It is about stretching the limits of the Wicket test components to do so. We will try to explain this by using a small example project we have created to illustrate things. This example project has been inspired on the new user wizard example by Eelco Hillenius. We adapted this example so that it uses Spring, because most apps use a backend system.]]> 92931 2008-07-06T18:47:26Z 2 0 6 0 http://www.dzone.com/links/images/thumbs/120x90/92931.jpg mdasberg http://www.dzone.com/links/images/avatars/295209.gif http://www.dzone.com/links/rss/java_swingbuilder_01final_is_out_open_source_comp.html Production-quality 0.1.FINAL release for the Java SwingBuilder project. Java SwingBuilder is an attempt to bring dynamic language-type productivity to Java Swing UI development by defining the layout/event wiring/binding in a separate YAML file and leaving the Java class to focus on pure business-side code. Inspired by Groovy SwingBuilder (the concept in general), Ruby on Rails (YAML is the new JSON/XML, but leaner) and GTK+ libGlade (for the idea of keeping layout and event wiring in a separate file). Uses MigLayout as the main layout manager. End goal of the project: to define max functionality with the least amount of code. groovy gui java open source Sun, 06 Jul 2008 15:45:10 GMT http://www.dzone.com/links/92911.html Jacek 2008-07-06T15:45:10Z Production-quality 0.1.FINAL release for the Java SwingBuilder project. Java SwingBuilder is an attempt to bring dynamic language-type productivity to Java Swing UI development by defining the layout/event wiring/binding in a separate YAML file and leaving the Java class to focus on pure business-side code. Inspired by Groovy SwingBuilder (the concept in general), Ruby on Rails (YAML is the new JSON/XML, but leaner) and GTK+ libGlade (for the idea of keeping layout and event wiring in a separate file). Uses MigLayout as the main layout manager. End goal of the project: to define max functionality with the least amount of code.]]> 92911 2008-07-06T15:45:10Z 1 0 19 0 http://www.dzone.com/links/images/thumbs/120x90/92911.jpg Jacek http://www.dzone.com/links/images/avatars/116586.gif http://www.dzone.com/links/rss/navigablemap_finally_solving_the_performance_prob.html What's amazing is that the TreeMap is a red-black tree, so implementing the backwards walking takes just a few lines of code, but studying this a bit it becomes clear that the problem here is the design of the SortedMap interface, which just does not provide those operations. So why does it exist, then? I really can't say. java Sun, 06 Jul 2008 15:28:12 GMT http://www.dzone.com/links/92904.html bloid 2008-07-06T15:28:12Z What's amazing is that the TreeMap is a red-black tree, so implementing the backwards walking takes just a few lines of code, but studying this a bit it becomes clear that the problem here is the design of the SortedMap interface, which just does not provide those operations. So why does it exist, then? I really can't say.]]> 92904 2008-07-06T15:28:12Z 2 0 12 0 http://www.dzone.com/links/images/thumbs/120x90/92904.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/indepth_understanding_of_java_string.html First, I propose to look at the String type of source to achieve this is in essence String understanding of the fundamental starting point type. Which can be seen: 1, String class is final and can not be inherited. public final class String. 2, String class is the essence of a character array char [], and its value irrevocable. private final char value []; java Sun, 06 Jul 2008 14:55:39 GMT http://www.dzone.com/links/92900.html 52coding 2008-07-06T14:55:39Z First, I propose to look at the String type of source to achieve this is in essence String understanding of the fundamental starting point type. Which can be seen: 1, String class is final and can not be inherited. public final class String. 2, String class is the essence of a character array char [], and its value irrevocable. private final char value [];]]> 92900 2008-07-06T14:55:39Z 1 0 14 0 http://www.dzone.com/links/images/thumbs/120x90/92900.jpg 52coding http://www.dzone.com/links/images/avatars/310729.gif http://www.dzone.com/links/rss/java_playing_midi_music.html Java in multimedia processing advantages of small, but we have procedures in some cases also need some music as embellishment. If play wav file, and big, so MIDI as background music is the best. But many play MIDI tutorials are simple examples of a few words, and did not consider the issue of the release of resources. If the program long run, there will be more consumption of the memory of the situation, even dished out a final java.lang.OutOfMemoryError. java Sun, 06 Jul 2008 14:54:31 GMT http://www.dzone.com/links/92899.html 52coding 2008-07-06T14:54:31Z Java in multimedia processing advantages of small, but we have procedures in some cases also need some music as embellishment. If play wav file, and big, so MIDI as background music is the best. But many play MIDI tutorials are simple examples of a few words, and did not consider the issue of the release of resources. If the program long run, there will be more consumption of the memory of the situation, even dished out a final java.lang.OutOfMemoryError.]]> 92899 2008-07-06T14:54:31Z 1 0 4 0 http://www.dzone.com/links/images/thumbs/120x90/92899.jpg 52coding http://www.dzone.com/links/images/avatars/310729.gif http://www.dzone.com/links/rss/netbeans_platform_tip_booleanstateactions.html How to create toggle buttons and checkbox menu items on the NetBeans Platform. frameworks java Sun, 06 Jul 2008 12:19:55 GMT http://www.dzone.com/links/92893.html geertjan 2008-07-06T12:19:55Z How to create toggle buttons and checkbox menu items on the NetBeans Platform.]]> 92893 2008-07-06T12:19:55Z 3 0 5 0 http://www.dzone.com/links/images/thumbs/120x90/92893.jpg geertjan http://www.dzone.com/links/images/avatars/250147.gif http://www.dzone.com/links/rss/my_first_time_to_maven.html In this post, I am just describing what happened to me while my first interaction with Maven 2. java methodology open source tools Sun, 06 Jul 2008 12:05:27 GMT http://www.dzone.com/links/92891.html melbeltagy 2008-07-06T12:05:27Z In this post, I am just describing what happened to me while my first interaction with Maven 2.]]> 92891 2008-07-06T12:05:27Z 1 0 16 0 http://www.dzone.com/links/images/thumbs/120x90/92891.jpg melbeltagy http://www.dzone.com/links/images/avatars/159753.gif http://www.dzone.com/links/rss/mobimap_10rc2.html MobiMap is the first Open Source mapping component for mobile platforms. You can use it in your own mobile applications and customize it at will. announcement java mobile open source Sun, 06 Jul 2008 11:34:50 GMT http://www.dzone.com/links/92882.html sarbogast 2008-07-06T11:34:50Z MobiMap is the first Open Source mapping component for mobile platforms. You can use it in your own mobile applications and customize it at will.]]> 92882 2008-07-06T11:34:50Z 2 0 9 0 http://www.dzone.com/links/images/thumbs/120x90/92882.jpg sarbogast http://www.dzone.com/links/images/avatars/271223.gif http://www.dzone.com/links/rss/jdave_11rc1_released.html Improved Scala support by better JMock syntax and integrated ScalaCheck property verifycation. Improved jdave-wicket-selenium module. All reported bugs fixed. announcement java open source tools Sun, 06 Jul 2008 10:54:35 GMT http://www.dzone.com/links/92873.html js29227 2008-07-06T10:54:35Z Improved Scala support by better JMock syntax and integrated ScalaCheck property verifycation. Improved jdave-wicket-selenium module. All reported bugs fixed.]]> 92873 2008-07-06T10:54:35Z 3 0 8 0 http://www.dzone.com/links/images/thumbs/120x90/92873.jpg js29227 http://www.dzone.com/links/images/avatars/831.gif http://www.dzone.com/links/rss/resolving_maven_configuration_error_in_netbeans_61.html This link shows how to make NetBeans 6.1 aware of the Maven bat file location. NetBeans uses ANT's exec task to invoke Maven. Hence we should pass mvn.bat location as an input to exec task. how-to java tools Sun, 06 Jul 2008 10:42:35 GMT http://www.dzone.com/links/92871.html bercolax 2008-07-06T10:42:35Z This link shows how to make NetBeans 6.1 aware of the Maven bat file location. NetBeans uses ANT's exec task to invoke Maven. Hence we should pass mvn.bat location as an input to exec task.]]> 92871 2008-07-06T10:42:35Z 1 0 6 0 http://www.dzone.com/links/images/thumbs/120x90/92871.jpg bercolax http://www.dzone.com/links/images/avatars/298820.gif http://www.dzone.com/links/rss/servlets_jsps_and_cookies_all_in_a_container.html Using cookies for exchanging information between the components of the container. In this example user name entered by the user is stored in the cookie and sent to JSP for processing, which in this case is a simple message, Hello >. java Sun, 06 Jul 2008 10:05:27 GMT http://www.dzone.com/links/92868.html sanaulla123 2008-07-06T10:05:27Z Using cookies for exchanging information between the components of the container. In this example user name entered by the user is stored in the cookie and sent to JSP for processing, which in this case is a simple message, Hello >.]]> 92868 2008-07-06T10:05:27Z 3 0 11 0 http://www.dzone.com/links/images/thumbs/120x90/92868.jpg sanaulla123 http://www.dzone.com/links/images/avatars/278916.gif http://www.dzone.com/links/rss/viewing_java_thread_lock_contention_as_a_graph_cl.html A few years ago I wrote a little app named ‘exception log introspect’ (ELI) that sent a signal to a running java process to obtain the stack trace. I then analyzed the stack trace to find threads with the exact same fingerprint and group duplicates. Then I would score threads by number of duplicates and print them by descending score. java Sun, 06 Jul 2008 07:38:19 GMT http://www.dzone.com/links/92859.html bloid 2008-07-06T07:38:19Z A few years ago I wrote a little app named ‘exception log introspect’ (ELI) that sent a signal to a running java process to obtain the stack trace. I then analyzed the stack trace to find threads with the exact same fingerprint and group duplicates. Then I would score threads by number of duplicates and print them by descending score.]]> 92859 2008-07-06T07:38:19Z 3 0 10 0 http://www.dzone.com/links/images/thumbs/120x90/92859.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/aggregated_code_coverage_with_emma_and_groovy.html This post describes a script I wrote to take XML Emma output and produce multi-package aggregated statistics. One of the drawbacks of Emma's HTML reporting is that it does not allow you to get aggregated coverage information across packages. For instance, if I have packages "com.foobar.sdk.interface" "com.foobar.sdk.impl", there's no automated way to get coverage information for all packages starting with "com.foobar.sdk". frameworks groovy java tools Sat, 05 Jul 2008 22:59:38 GMT http://www.dzone.com/links/92829.html bloid 2008-07-05T22:59:38Z This post describes a script I wrote to take XML Emma output and produce multi-package aggregated statistics. One of the drawbacks of Emma's HTML reporting is that it does not allow you to get aggregated coverage information across packages. For instance, if I have packages "com.foobar.sdk.interface" "com.foobar.sdk.impl", there's no automated way to get coverage information for all packages starting with "com.foobar.sdk".]]> 92829 2008-07-05T22:59:38Z 1 0 6 0 http://www.dzone.com/links/images/thumbs/120x90/92829.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/five_tips_to_tame_matisse_layouts.html I recently had to dust off some SwingXBuilder work for an interview and it got me thinking about the evil that is Matisse. Ok, it’s not that evil, it’s just that I couldn’t use it and one tends to consider things he can’t have are evil. And the more I had to do without it, I realize it was less of a necessity than I thought. gui java opinion tools Sat, 05 Jul 2008 22:59:14 GMT http://www.dzone.com/links/92827.html bloid 2008-07-05T22:59:14Z I recently had to dust off some SwingXBuilder work for an interview and it got me thinking about the evil that is Matisse. Ok, it’s not that evil, it’s just that I couldn’t use it and one tends to consider things he can’t have are evil. And the more I had to do without it, I realize it was less of a necessity than I thought.]]> 92827 2008-07-05T22:59:14Z 4 0 10 0 http://www.dzone.com/links/images/thumbs/120x90/92827.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/lightweight_ui_toolkit_for_javame.html Rich UI toolkit for JavaME inspired by Swing. It's open source and on java.net. java mobile Sat, 05 Jul 2008 19:17:57 GMT http://www.dzone.com/links/92820.html screamingtoaster 2008-07-05T19:17:57Z Rich UI toolkit for JavaME inspired by Swing. It's open source and on java.net.]]> 92820 2008-07-05T19:17:57Z 3 0 12 0 http://www.dzone.com/links/images/thumbs/120x90/92820.jpg screamingtoaster http://www.dzone.com/links/images/avatars/260404.gif http://www.dzone.com/links/rss/jortho_an_open_source_java_spell_checker.html JOrtho (Java Orthography) is a Open Source spell-checker entirely written in Java. Its dictionaries are based on the free Wiktionary project and can therefore be updated by virtually any language. The library works with any JTextComponent from the Swing framework. This includes JTextPane, JEditorPane and JTextArea. gui java Sat, 05 Jul 2008 18:50:41 GMT http://www.dzone.com/links/92811.html bloid 2008-07-05T18:50:41Z JOrtho (Java Orthography) is a Open Source spell-checker entirely written in Java. Its dictionaries are based on the free Wiktionary project and can therefore be updated by virtually any language. The library works with any JTextComponent from the Swing framework. This includes JTextPane, JEditorPane and JTextArea.]]> 92811 2008-07-05T18:50:41Z 3 0 19 0 http://www.dzone.com/links/images/thumbs/120x90/92811.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/grails_on_ubuntu_hardy.html So, while reading up on Groovy and Grails I wanted to play with it on my Ubuntu Hardy laptop. I already had the sun-java6-jre package installed so I could do standard Java stuff. However, in order to publish a Grails application, which is required in order to run it, you need the JDK. So I also installed sun-java6-jdk. It’s possible I should have just removed the JRE and replaced it with the JDK, but the Ubuntu package manager didn’t complain, so I didn’t. frameworks groovy java unix-linux Sat, 05 Jul 2008 17:29:19 GMT http://www.dzone.com/links/92787.html bloid 2008-07-05T17:29:19Z So, while reading up on Groovy and Grails I wanted to play with it on my Ubuntu Hardy laptop. I already had the sun-java6-jre package installed so I could do standard Java stuff. However, in order to publish a Grails application, which is required in order to run it, you need the JDK. So I also installed sun-java6-jdk. It’s possible I should have just removed the JRE and replaced it with the JDK, but the Ubuntu package manager didn’t complain, so I didn’t.]]> 92787 2008-07-05T17:29:19Z 2 0 15 0 http://www.dzone.com/links/images/thumbs/120x90/92787.jpg bloid http://www.dzone.com/links/images/avatars/111696.gif http://www.dzone.com/links/rss/converting_jasperreports_to_powerpoint_ppt_and_pp.html Aspose.Slides for JasperReports is an external exporter for JasperReports that allows you to convert your reports in PowerPoint presentation (PPT) and PowerPoint slideshow (PPS) formats in your java applications. It supports Java 2 platform standard edition 5.0 and JasperReports 2.0, 3.0 and higher. gui java news unix-linux Sat, 05 Jul 2008 00:04:02 GMT http://www.dzone.com/links/92675.html aspose_seo 2008-07-05T00:04:02Z Aspose.Slides for JasperReports is an external exporter for JasperReports that allows you to convert your reports in PowerPoint presentation (PPT) and PowerPoint slideshow (PPS) formats in your java applications. It supports Java 2 platform standard edition 5.0 and JasperReports 2.0, 3.0 and higher.]]> 92675 2008-07-05T00:04:02Z 3 0 18 0 http://www.dzone.com/links/images/thumbs/120x90/92675.jpg aspose_seo http://www.dzone.com/links/images/avatars/205365.gif