Discussions about version of java

Java -version returns old version OS: Windows XP I am using yuicompressor-2.4.2 to compress some css before uploading to my server. But when i run it, the following exception appears: Exception in thread "main" java.lang.UnsupportedClassVersionError: com/yahoo/platform/yui/compressor/... Started by Carlos Muñoz on Wednesday, October 14, 2009, 7 posts by 7 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): If that is Java 6, you have entries in your path before to be explicit.... It looks like the older Java version is still on the system PATH environment variable%\system32\java -version and see what you get. One if present.

Is Java bytecode compatible with different versions of Java? If I compile an application using Java 5 code into bytecode, are the resulting .class files going to be able to run under Java 1.4? If the latter can work and I'm trying to use a Java 5 framework in my Java 1.4 application, is there anything I should ... Started by James McMahon on Wednesday, August 12, 2009, 4 posts by 4 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): Java 4 would just fail when processing bytecode for some Java 5 language features.... Java 5 introduced new classfile attributes and format changes, to handle Varargs, enums, and generics. Nope! .class files are forward compatible only.

Sun Java Tutorials for earlier versions of Java? Hi, I'd like to read the Sun Java Swing tutorials for Java version 5. It's easy to find Sun's tutorials for SDK 6. My searches of Sun's site and using Google didn't turn up any links (yet) to the older tutorial. Even the tutorial link on the SDK 5 page... Started by kwutchak on Thursday, September 10, 2009, 3 posts by 3 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): So you really think that you can't. You can easily find the every version of API documentation.

Java version in linux # which java /usr/bin/which: no java in (/usr/local/jdk/jdk1.5.0_10/bin/java:/usr/local/jdk/jdk1.5.0_10/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin) I installed java in /usr/local... Started by on Friday, January 29, 2010, 4 posts by 4 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): Use export PATH=$PATH:/usr/local/jdk/jdk1.5.0_10/bin export JAVA_HOME=/usr/local/.... Can you do ls /usr/local/jdk/jdk1.5.0_10/bin And why is /usr/local/jdk/jdk1.5.0_10/bin/java in your path? Is JAVA_HOME set? It's not in your path.

-version with java and javac The -version option can be used with both java and javac . Whats the difference? Started by gameover on Sunday, January 17, 2010, 3 posts by 3 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): Java: jonathan@bespin:~$ java -.... java (the Java virtual machine) and javac to be absolutely sure that you've got the right version when you run something. Each reports the version of the program it's running.

Java version sitll showing as 1.4 linux Java -version still returns old java version. I have red hat linux I installed jdk 1.5 int eh follwing path and updated the bask profile and did a source but still the java version shows 1.4 JAVA_HOME=/usr/local/jdk/jdk1.5.0_10/bin/java PATH has /usr/... Started by on Friday, January 29, 2010, 5 posts by 5 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): Unlike You need to use the alternatives.... But i still see java -version even from the bin directory /usr/local/jdk/jdk1.5.0_10/bin as follows Magic: run ./java -version Note the dot and slash - this tells to execute from current dir.

Does Java 64bit perform better than the 32bit version? I noticed sun is providing a 64bit version of Java. Does it perform better than the 32bit version? Started by Joshua on Thursday, February 26, 2009, 7 posts by 7 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): As well as the compiler you might find differences. Java programs, classically it also depends upon the implementation of Java. Java will often perform better on things with heavy computation loads.

Is it correct to say that "Java is platform independent but version dependent ?" Our project application uses Java 5 and now when I update Java 6, there are some kind of inconsistency with functionality and seeing this effects our manager passed comment that "Java is platform independent but version dependent" , Is it really true ... Started by Rachel on Friday, October 23, 2009, 5 posts by 5 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): Each version of Java SE has upwards language features or Java SE platform APIs, they will not be usable with an earlier version of the Java.... Is strongly compatible with previous versions of the Java platform.

Multiple java versions running concurrently under Windows We have a couple of applications running on Java 5 and would like now to bring in an application based on Java 6. Can both java versions live together under Windows? Is there any control panel to set the appropiate java version for different applications... Started by Daniel Stanca on Friday, November 07, 2008, 6 posts by 6 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): (Obviously replace 1.5 with the version.... By defining a environmentvariable with "java -version:1.5" etc should run with the correct version of java. Then modify the batch file to use a certain Java version e.g.

Knowing MS-Office version on Your pc using java Hi, Is there any way to know which version of MS-Office I have on my pc using 'Java'? Started by Supereme on Sunday, February 28, 2010, 3 posts by 3 people.   Read the full thread at stackoverflow Discuss this with your friends on Facebook Answer Snippets (Read the full thread at stackoverflow): I can suggest you-Office have different unique fonts.... Is there a specific file in the installation of ms office that distinguishes one version with the possibly installed (to the o/s) ms office activex controls and query the version number.