Java语言恐怕是稳居网路应用程序语言的首选了,这都要归功于它高度的安全性以及跨平台的特性,几乎在目前所有的电脑平台上您都可以见得到Java的芳 踪.过去很可能会有不少人抱怨Java虽然有著相当不错的跨平台以及安全防护等特性,但是它的性能相比C++各种传统惯用的程序语言还有不足之处.不过这 次Sun Microsystem可是有备而来的,不仅在执行速度上有大幅度的改革,而且在内容上也有做了一些修改以及增强.最新JAVA运行库,建立一个运行 JAVA的环境.

下载Java Runtime Environment 5.0 Update 12
http://java.sun.com/javase/downloads/index_jdk5.jsp

BugId Category Subcategory Description
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6451451]6451451[/URL]  hotspot  compiler2  EXCEPTION_ACCESS_VIOLATION caused by -XX:+AggressiveOpts flag in Bigapps ATG test for 1.5.0_08b03  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6472714]6472714[/URL]  hotspot  compiler2  crash compiling com.sun.jndi.ldap.sasl.LdapSasl::saslBind  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6487381]6487381[/URL]  hotspot  compiler2  Additional path for 5.0 jvm crash on exhaustion of CodeBuffer  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6502317]6502317[/URL]  hotspot  compiler2  Deoptimization code of Java 1.5.x looks leaking memory.  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6297094]6297094[/URL]  hotspot  compiler2  The result type of Class.getModifiers is labeled as a "boolean" to the optimizer instead of "int"  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6471004]6471004[/URL]  hotspot  compiler2  Incorrect displacement check for short branches.  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6519527]6519527[/URL]  hotspot  compiler2  PartialSubtypeCheckNode without a control edge could get scheduled too high (5.0)  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6518092]6518092[/URL]  hotspot  compiler2  1.5.0_05 crash in method::handler_for_exception_and_pc  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6454444]6454444[/URL]  hotspot  compiler2  SEGV on solaris-i586 -server running ConcurrentQueueLoops  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6461827]6461827[/URL]  hotspot  compiler2  Performance: java.lang.Class.isAssignable  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6472335]6472335[/URL]  hotspot  garbage_collector  Allocation of huge array which would cause OutOfMemoryError causes JVM to hang with -Xincgc  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6468516]6468516[/URL]  hotspot  garbage_collector  CMS: deal correctly with concurrently cleared or enqueued Reference objects  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6487931]6487931[/URL]  hotspot  runtime_system  JVM reports EXCEPTION_FLT_STACK_CHECK when calling a Java method through JNI  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6502780]6502780[/URL]  java  build  Adjustment jprt rules  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6459676]6459676[/URL]  java  classes_2d  JDK 1.5 should flush metrics caches when using alternate composite fonts  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6353972]6353972[/URL]  java  classes_2d  REGRESSION: GUI fails to paint text with large heap size setting  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6500903]6500903[/URL]  java  classes_2d  PrintServices are incorrectly listed as "not accepting jobs"  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6542419]6542419[/URL]  java  classes_2d  SharedMemoryPixmapsTest.sh failed on 5.0u12b02 but passed on previous one  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6405311]6405311[/URL]  java  classes_awt  XtVaSetValues call does not work when running in 64-bit Java 1.5 on Linux  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6473485]6473485[/URL]  java  classes_awt  No keyboard focus in a focusable JWindow  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6496958]6496958[/URL]  java  classes_awt  incorrect backoff in the process of dispatching lw requests queue  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4052517]4052517[/URL]  java  classes_lang  (process) Runtime.exec won't execute programs belonging to other groups on Unix  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6370080]6370080[/URL]  java  classes_lang  (ann) Method.getAnnotations() sometimes throw SecurityException: doPrivileged or javadoc missing?  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6480566]6480566[/URL]  java  classes_management  TEST_BUG: several tests fail because TESTVMOPTS are passed to javac directly  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6415062]6415062[/URL]  java  classes_net  30 MB memory trashed to get 30 kb string url encoded  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6446855]6446855[/URL]  java  classes_net  https connections failing when connecting through a proxy  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6347873]6347873[/URL]  java  classes_nio  (so) Ports opened with ServerSocketChannel blocks when using Runtime.exec  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6321453]6321453[/URL]  java  classes_security  Remove GTE CyberTrust root CA cert after it expires  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6495567]6495567[/URL]  java  classes_sound  CR [URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4964288]4964288[/URL] (sound, Unexpected IAE raised while getting TargetData) is not fixed in windows-amd64 JDK  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6498661]6498661[/URL]  java  classes_sound  api/javax_sound/sampled/TargetDataLine/index.html#TargetDataLine fails  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=5036146]5036146[/URL]  java  classes_swing  REGRESSION: problems with 1.5.0 action listeners  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6432667]6432667[/URL]  java  classes_swing  Vista: Menu dropdown differs while compare with naitve in vista laf.  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6491714]6491714[/URL]  java  classes_swing  JFileChooser does not work properly with File selection when filter is changed  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6432397]6432397[/URL]  java  classes_swing  Windows l&f on Vista JComboBox does not look like native  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6500302]6500302[/URL]  java  classes_swing  GTKLAF:Check mark/bullet is not visible for selected checkbox & radio menu items in disabled state.  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6542335]6542335[/URL]  java  classes_swing  different behavior on knob of scroll bar between 1.4.2 and 5.0  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6523518]6523518[/URL]  java  classes_swing  javax/swing/AbstractButton/[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6298940]6298940[/URL]/bug6298940.java failed against 1.5.0_12_01 but passed on 1.5.0_11  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6396844]6396844[/URL]  java  classes_swing  JFileChooser seems to cause OutOfMemory in 1.4.2, 5.0u4 and mustang-b75  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6511568]6511568[/URL]  java  classes_swing  JFileChooser throws OOM in 1.4.2, 5.0u4 and 1.6.0  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6530336]6530336[/URL]  java  classes_text  (tz) DST bug in latest jdk releases when using EST MST and HST abbreviations  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6470111]6470111[/URL]  java  classes_util_concurrent  Deadlock in Exchanger  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6460501]6460501[/URL]  java  classes_util_concurrent  Synchronizer timed acquire still leaks memory  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6492173]6492173[/URL]  java  classes_util_i18n  Please delete or modify test/java/util/TimeZone/[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4261506]4261506[/URL] test  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6496224]6496224[/URL]  java  classes_util_i18n  Slovenian currency change  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6541843]6541843[/URL]  java  classes_util_i18n  (tz) Support tzdata2007e  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4879507]4879507[/URL]  java  classes_util_jarzip  ZipInputStream does not check CRC for stored (uncompressed) files  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6467152]6467152[/URL]  java  classes_util_logging  deadlock occurs in LogManager initialization and JVM termination  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6520670]6520670[/URL]  java  install  1.5.0_11 installer writes wrong JavaHome value in Windows registry  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6525690]6525690[/URL]  java  install  offline non -s installer pops up "internal error 2762" after clicking "finish"  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6526421]6526421[/URL]  java  install  Truncated localized texts in finish dialog  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6416988]6416988[/URL]  java  localization  [ko]Translation of 'Certificate' is inconsistent  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6386647]6386647[/URL]  java  localization  Full date format in DateFormat does not include day of the week for UK locale  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6450945]6450945[/URL]  java  localization  The week day for Saturday and the first week day in Romania locale are incorrect  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6500174]6500174[/URL]  java  localization  [ja] wrong translation in Java Update warning message  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6497154]6497154[/URL]  java  localization  getFirstDayOfWeek() not works correctly for Slovak locale  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6488119]6488119[/URL]  java  localization  en_ZA local has unusable time format  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4494727]4494727[/URL]  java  localization  [Fmt-Nu] Formatting of percents incorrect for some locales  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6486607]6486607[/URL]  java  localization  incorrect french localization for GY country code  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6485516]6485516[/URL]  java  localization  incorrect french localization for GF country code  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4225362]4225362[/URL]  java  localization  localized DateFormatSymbols for fr_FR is wrong  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6379214]6379214[/URL]  java  localization  Danish Translation of the word Danish is wrong  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6481177]6481177[/URL]  java  localization  Add Eras for Dutch LocaleElements  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6414459]6414459[/URL]  java  localization  Wrong first day of week for Croatian locale  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6311411]6311411[/URL]  java  serviceability  SA: jmap -histo reports wrong histogram with CMS  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4753347]4753347[/URL]  java  serviceability  OutOfMemoryError - Stack Trace missing  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6484462]6484462[/URL]  java_plugin  converter  Applet HTML generated by HTML converter tool crashes the new IE7  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6424564]6424564[/URL]  java_plugin  iexplorer  Browser window is not blocked by the modal dialog  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6404972]6404972[/URL]  java_plugin  iexplorer  IE Window and Dialogue are displayed in different order from the order of button click.  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6523707]6523707[/URL]  java_plugin  iexplorer  IE browser thread dead after modal dialog created from liveconnect in another window  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6395737]6395737[/URL]  java_plugin  iexplorer  IE hangs when a modal dialog is active with concurrent window re-focus activities  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6502189]6502189[/URL]  java_plugin  iexplorer  applet hang when try to reload a page with the applets in a frame  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6501186]6501186[/URL]  java_plugin  iexplorer  JVM crashes when IE windows are opened and closed so many times thru JavaScript in 5.0u10  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6418035]6418035[/URL]  java_plugin  other  Applets freeze in 5u7 on XP Japanese  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6216340]6216340[/URL]  java_plugin  other  Java to support Firefox browser  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6475032]6475032[/URL]  jaxp  parse  Regression: declaring a a duplicate Namespace mapping to an exisitng prefix:URI throws an Exception  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6428590]6428590[/URL]  jaxp  sax  com.sun.org.apache.xalan.internal.xsltc.dom.XSLTCDTMManager does not demand namespace-prefixes  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6401137]6401137[/URL]  jaxp  xslt  Null Pointer Exception in Java 1.5  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6434840]6434840[/URL]  jaxp  xslt  Memory Leak in XSL Transform leading to OutOfMemory Exception  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6475157]6475157[/URL]  jmx  classes  RMIConnectorServer.stop: deadlock  
[URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6524112]6524112[/URL]  tooldocs  all  sloppy developer missed testcase when fixing [URL=http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6490790]6490790[/URL]