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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
, 4 posts
by 4 people.
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.
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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
, 3 posts
by 3 people.
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.
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The -version option can be used with both java and javac . Whats the difference?
Started by gameover on
, 3 posts
by 3 people.
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.
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Ask your Facebook Friends
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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
, 5 posts
by 5 people.
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.
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Hi,
Is there any way to know which version of MS-Office I have on my pc using 'Java'?
Started by Supereme on
, 3 posts
by 3 people.
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.
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Is there a distributed version control system (like git or Mercurial) that can be used as an embedded library in Java applications (to implement versioned and synchronizable storage for application data), ideally written in pure Java and under a permissive...
Started by Thilo on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
JGit is pure....
@Josh Moore's reply led me to JGit , which seems to be a competitor to JavaGit .
But, check out http://javagit.sourceforge.net/ you can use it to connect to a git repository with Java.
I do not know of any pure Java solutions.
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Sorry if this seems like it's for SuperUser. I just deleted it there :)
I am running this command on OSX
/System/Library/Frameworks/JavaVM.framework/Versions/1.5/Home/bin/java -version
and the response is
java version "1.6.0_17 "
Is there any way to really...
Started by yar on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
If you really need (32-bit) Java....
The JavaVM framework has links if you invoke the java executables in the 1.5 directory, you still get the 1.6 (Java 6) executable.
As you've done above)
Only Java 6 is available on Snow Leopard.
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I am trying to get Cassandra to work on OS X. When I run bin/cassandra , I get the following error:
~/apache-cassandra-incubating-0.4.1-src > bin/cassandra -f Listening for transport dt_socket at address: 8888 Exception in thread "main" java.lang.U...
Started by Sam Lee on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
It's not necessarily using the same one you get with one version....
The bad version number is almost always because you've compiled your java file to a class file the this "cassandra" is using the Java version you think it is.
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How do I know what version of Java is being run in Eclipse?
Is there a way to write code to find out?
Is "JRE System Library [JavaSE-1.6]" in "Package Explorer" the right version?
Started by Devoted on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
To find out the version of java that your eclipse project is using, see Project-> is not necessarily....
Along the lines of:
1.5.0_01-b08
That's the version of Java that Eclipse is using to run your code which install folder.
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Duplicate: Tool to read and display Java .class versions
If I have a compiled Java class, is there a way to tell from just the class file what its target version compatibility is? Specifically, I have a number of class files, compiled to Java 6, which...
Started by Mike Pone on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Anthony Borla
From: http://bytes.com/groups/java/16603-how-determine-java-bytecode-version
You can Number [4 bytes] ....
version checking utility, using Java, or perhaps a scripting or shell language ;) !
I hope this helps.
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