drjava-users Mailing List for DrJava (Page 4)

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A new beta version of DrJava has been released.  Please see <http://=20
www.drjava.org> for detals.

=97Dan Smith

Our latest beta of DrJava has been moved up to a stable version.
Please download this new version of DrJava at www.drjava.org as your 
primary version.

Thank you!

Updated look and feel for windows to version 0.5.1.

Updated Help and Quickstart Documentation to reflect the
newest features added.

Slowed down the scrolling speed from default 10% to 5%
in the DefinitionsPane

This beta will become the new stable in one week unless
significant bugs are encountered during the week-long
probationary period.

Please download this version of DrJava as your primary version.

Thank you!

Besides some bug fixes and refactoring the new release of DrJava contains
a few changes:

- Force a save file before compiling, now ignores untitled files.

- Find and Replace has been improved by adding the feature
  of multi-line search and replace.

- Find and Replace now enables the user to ignore comments in a search

- Open / Save file boxes has been enlarged for convenience.

Please download this new version of DrJava as your primary version.

Thank you for your constant usage and valuable feedback.

New features added:
  - Multi-line search in find/replace. Currently, only works for Linux.
     --> Pressing Ctrl-Enter puts a new line in the find and replace text
          fields

  - Status message now displays when a search has wrapped around all 
    the documents currently open

Changes:
  - Removed Search Backwards check box, replacing it with Find Previous
    and Replace/Find Prevoius buttons that execute the search backwards.
    The Find Next and Replace/Find Next buttons execute the search 
    forwards.

  - Fixed behavior switching panes (from Edit -> Next Pane or Ctrl- } and 
    Edit -> Previous Pane or Ctrl-{ ) to only include the tabbed panes     
    currently open.

  - Switching between documents works correctly when called from the 
    Edit menu or Ctrl-period, or Ctrl-comma.

Please download this new version of Dr. Java as your primary version.

Thank you,
JavaPLT team

Some minor bug have been taken care of.

Added feature of emacs_style notification of brace matching in the status
bar.

New functionality added to allow ignoring comments and strings during
search through the documents.

Errors and Warnings are now seperated when being displayed in the
ErrorPanel.

Please download and use this version of DrJava as your primary version.

Thanks!

This release of DrJava is a candidate stable release. The release 
addresses a some synchronization issues, as well as some minor bug fixes 
to the languagelevels.
The interactionspane also handles the corner cases of int- and long-values 
now.

Please download and test this release as your primary copy of DrJava.

-- Michael

Sue McGlashan wrote:

>Hi
>
>It seems that stable versions are released approximately once per year.
>There was one in 2003-08-22 and then another in 2004-03-26.
>
>The new academic term is due to start soon. Is there likely to be another
>stable release in the next two weeks?
>
>Thank you
>
>Sue McGlashan
>CDF System Administrator
>
>
>-------------------------------------------------------
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>  
>
Sue McGlashan wrote:

>Hi
>
>It seems that stable versions are released approximately once per year.
>There was one in 2003-08-22 and then another in 2004-03-26.
>
>The new academic term is due to start soon. Is there likely to be another
>stable release in the next two weeks?
>
>Thank you
>
>Sue McGlashan
>CDF System Administrator
>
>
>-------------------------------------------------------
>This SF.Net email is sponsored by: NEC IT Guy Games.
>Get your fingers limbered up and give it your best shot. 4 great events, 4
>opportunities to win big! Highest score wins.NEC IT Guy Games. Play to
>win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20
>_______________________________________________
>Drjava-users mailing list
>Drj...@li...
>https://lists.sourceforge.net/lists/listinfo/drjava-users
>
>  
>
Hi Sue,

We expected to release a new stable release earlier this year, but 
accommodating all
of the changes in Java 5.0 and adding some important new features to 
DrJava (lightweight
projects, language levels, better documentation) have taken longer than 
we expected.

We have a new build that is nearly ready to release as a candidate 
stable release but we
have a few glitches in the unit tests on Linux (they all pass on 
Windows).  I predict that
we will fix these glitches by the end of today (Friday).  At any rate, a 
new candidate stable
release is imminent.

After the candidate stable release comes out, it will be converted to a 
stable release in
a week if no serious problems are detected.

-- Corky Cartwright

Hi

It seems that stable versions are released approximately once per year.
There was one in 2003-08-22 and then another in 2004-03-26.

The new academic term is due to start soon. Is there likely to be another
stable release in the next two weeks?

Thank you

Sue McGlashan
CDF System Administrator

The release includes several new features in addition to a lot of bug
fixes.

The most significant features added are the synchronization structure
of DrJava, the Quick Start Guide(found in the help menu), as well as
the Jar file creation.
The language levels has also changed their semantics slightly on the
Intermediate Level, regarding package declaration and visibility of
methods.

Please download this beta release and use it as your primary copy
of DrJava, submitting any bugs that you find.
The intend is to release a stable version based on this release
in about a week.

Thank you for helping us to improve DrJava!

Download the new Beta Version at: www.drjava.org

This release of DrJava is a candidate stable release. The
release includes some new features in addition to some bug
fixes. We added to DrJava's language levels the ability to
better handle inner classes. We added a console window for
receiving 'System.in' user input. We also fixed some stab-
ility and synchronization issues.

Please download and test this release as your primary copy
of DrJava.

-Moez

============================================================

Q: Why bother doing proofs about programming languages?
They are almost always boring if the definitions are right.

A: The definitions are almost always wrong.

-Anonymous

This beta release fixed DrJava support for running
and compiling on JSR14. The release also addresses
many recent concurrency issues.

Please download and test this release as your pri-
mary copy of DrJava.

-Moez

============================================================

Q: Why bother doing proofs about programming languages?
They are almost always boring if the definitions are right.

A: The definitions are almost always wrong.

-Anonymous

This beta release of DrJava includes some bug-fixes
and some improvements. This beta release is better
than the last beta, but is not yet a viable candidate
for a stable release. We have fixed some issues
related to synchronization, the project facility, as
well as improved Language Levels support and fixed
some small bugs in it.

Please download and test this release as your
primary copy of DrJava.

-Moez

============================================================

Q: Why bother doing proofs about programming languages?
They are almost always boring if the definitions are right.

A: The definitions are almost always wrong.

-Anonymous

An updated release for the DrJava Plug-in for Eclipse is now available.
This plug-in provides an Interactions Pane and a simplified user interface
to Eclipse through a "DrJava Perspective."  In addition to fixing a
critical error on the Macintosh JVM, the new plug-in includes full support
for the language extensions in Java 1.5, including generics, varargs, and
auto-boxing.  For more information, see our Eclipse plug-in page
(http://drjava.sf.net/eclipse.shtml).

Neal

This release of DrJava is a candidate stable
release. The release includes some new features
and further more bug fixes. Since the latest
stable release, we have added three major
features: full support in the Interactions pane
of DrJava for the upcoming Java 1.5, as well
as the Definitions pane, three Java language
levels (language subsets) that aim to aid in
smoothing the Java language learning curve,
and, for advanced developers, support for
projects.

Since the latest development release, we have
added a directory chooser that uses a tree
view of the file system, support to compile
and test entire DrJava projects, support for
auxiliary and external files in projects, more
consistency in the behavior and look of the
definitions pane and interactions pane,
support in the Interactions pane for the new
'&' Java 1.5 generics syntax, and, finally,
added also an 'Advanced' language level. We
fixed issues that prevented running a new
DrJava from within DrJava, as well as issues
in the Intermediate language level.

Please download and test this release as your
primary copy of DrJava.

-Moez

Hi all,

I've just joined the list and am starting to use DrJava. I'm running:

  % java -jar drjava-20040707-2332.jar

on a Solaris machine using JDK 1.5 (beta2).

I'm trying to compile a project where there are lots of Lists
that aren't been initialised with a generic type (eventually I want to 
still be able to compile this on earlier versions of the JDK).

At compile time, DrJava is flagging these as errors:

210 errors found:
File: /spare/richb/jaccesshelper/src/jaccesshelper/main/AbstractAccessTest.java  
[line: 588]
Warning: [unchecked] unchecked call to add(E) as a member of the raw type 
java.util.List
...

even though it's calling them Warnings.

I've tried adding:

show.unchecked.warnings = false

to my ~/.drjava configuration file and rebuilding the project, but these
errors still persist.

What am I missing? Am I going to have to initialize these lists with
the appropriate generic type in order to get DrJava to compile them correctly
(even though they should just be warnings)?

Are pointers on how to solve this would be very much appreciated.

Thanks.

--
Rich Burridge                         Email:     ric...@Su...
Sun Microsystems Inc. (MPK14-260),    Phone:     +1.650.786.5188
4150 Network Circle,                  AIM/YAHOO: RicBurridge
Santa Clara, CA 95054                 Blog:      http://blogs.sun.com/richb

My apologies for the extra e-mail, but I forgot to mention a couple of
important points.

First of all, this development release requires Java SDK 1.4 or above.
This change was necessary because attempting to compile the new language
level code with our modified version of the JSR-14v2.5 jar (which would
make it compatible with 1.3) would cause a strange Hotspot error at
compile-time that we did not know how to get around.  We are interested in
hearing your feedback about this change, especially if you are a user that
is using 1.3 and cannot upgrade.

Second, developers will have to run "cvs update" in the lib directory to
get the new javalanglevels.jar.  The code itself is located in the
CVS repository of the SourceForge site called javalanglevels.

James

This development release of DrJava includes a great deal of new features
and some bug fixes.  We have now added support for Language Levels,
projects, and Java 1.5 features in the Interactions Pane.

The language level facility supports progressively complex subsets of the
Java language.  Two of the main benefits of language levels are the
avoidance of the need to teach students a great deal of syntax before they
can begin to write programs in Java and the commonplace methods such as
toString and equals that are automatically generated at the early levels.
Only the Elementary and Intermediate levels are supported at this time.
More detailed documentation on language levels can be found at
http://www.cs.rice.edu/~javaplt/doc/LanguageLevelDocumentation.html.

The project facility allows users to create .pjt files that store a list
of files that are associated with a project and the path that compiled
files should be placed in.  Users can open, save, and close projects from
the new Project menu.  Project files are displayed as trees in the
document list pane on the left.  In the future, more functionality will be
added to projects.

Java 1.5 features such as autoboxing/unboxing, static import, foreach,
variable arguments, and enums are now supported in the Interactions Pane
if DrJava is run with a Java 1.5 compiler.  Generics are allowed, but no
type-checking is done.

A major memory leak has been fixed such that projects with hundreds of
files can now be opened.  There were other minor bug fixes as well.

There are many new features in this release, and we will attempt to
release more frequently in the future, however, most of these features
were worked on in parallel and completed at nearly the same time.  Please
download and test this release as your primary copy of DrJava
(http://drjava.org).

Signing off,
James

A new version of the DrJava Plug-In for Eclipse has been released!  This
version increases ease of typing long interactions into the interactions pane.
Upon pressing enter, the interactions pane automatically detects if the user
has not finished typing and gives the user a newline rather than attempting to
interpret the incomplete interaction.  This version also allows reverse
searching through the interactions pane by typing partial text and pressing
tab.

You can go to  <http://drjava.sf.net/eclipse.shtml>
http://drjava.sf.net/eclipse.shtml to download the new plug-in. Please send us
any comments you have!

Neal

This development release of DrJava contains support for the Java 1.5.0
beta compiler as well as the JSR14v2.5 compiler.  Also, only one compiler
per version of compiler is now shown.  For example, users will only see
one java 1.4.1 compiler.  Please download and test this release as your
primary copy of DrJava.

James

   A new stable version of DrJava, drjava-stable-20040326, has just been
released!  This version includes new features, along with numerous bug
fixes and usability improvements.  The most notable changes include the
automatic insertion of newlines when an interaction in not complete, the
ability to search backwards through history by typing the first few
letters of a previous command and hitting Tab, the ability to find/replace
only whole words, and an improved undo function that removes series of
typed text at once.  Buttons have been added to error panels to allow
easier scrolling through errors.  More detailed information can be found
in the Release Notes.

   Please download this version from http://drjava.org and use it as
your primary copy of DrJava.  We welcome any feedback you have on this
release; please submit any suggestions or difficulties as feature
requests and bug reports on our SourceForge site.

Thanks!
James

Has anyone replied to your other questions yet?  I apologize if not..

Mark Guzdial wrote:
> If one has runaway code (e.g., infinite loop) in DrJava, is there any 
> way to stop it (short of aborting the application)?

Yes-- just click the Reset button on the toolbar (or choose "Reset 
Interactions" from the Tools menu).  This will abort any code running in 
the Interactions Pane without forcing you to quit DrJava.

> Setting the class path in DrJava from the Preferences is great -- no 
> messing with system/shell variables!  But we have had a few interface 
> problems with it:
> - I found that I have to select the folder that I want to include from 
> the parent folder.  If I enter the desired folder and then select the 
> folder, the folder name appears twice in a non-existent path, e.g., 
> "C:\Documents and Settings\Mark Guzdial\My Documents\java-code\java-code"

This is partially due to some quirky behavior in Sun's Swing library, 
but there might be ways to improve how DrJava handles this situation. 
Folks at Rice-- can you look into this?

> - I have found strange behavior (and maybe this is just Java and not 
> DrJava) in that sometimes, I can choose the folder where the .jar files 
> live, and other times, I have to select the specific .jar files.  For 
> example, I am using the JMusic package with DrJava.  I had to exactly 
> specify "D:\jmusic\jmusic.jar" to get DrJava to find the jmusic.jar 
> file, but the instruments were find-able with "D:\jmusic\inst\"  I 
> haven't figured out when I need to do each.

Yes, as Corky mentioned, .jar files always need to be specified by name, 
while .class files are specified by the folder containing them.

Hope that helps, and sorry if this is redundant!

Charlie

Hi Mary,

The Windows App is an executable file that wraps the normal Jar file,
adding code that automatically searches for your Java installation
location and runs the Jar file.  There's no difference in the content of
the two files, but many Windows users' files associations are configured
incorrectly to run jar files, and the exe file takes care of this issue
automatically (assuming you've installed the Java SDK).

Hope this helps,
James

On Tue, 23 Mar 2004, Mary Craven wrote:

> When downloading DrJava, would you please tell me the difference between
>
> Download Jar File
>
> and
>
> Download Windows App
>
> I am running windows xp.
>
> Thank you very much.
>
>
>
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When downloading DrJava, would you please tell me the difference between

Download Jar File

and

Download Windows App

I am running windows xp.

Thank you very much.

There is a new beta release of DrJava made in preparation for the next
stable release (http://drjava.org).

The primary features added to this release relate to improving the
Interactions Pane.  First, uninitialized variables are assigned the
correct default value and initialization of multi-dimensional arrays now
works correctly.  Second, newlines are automatically inserted for users if
the current interaction is not yet complete.  This makes defining methods
and classes in the Interactions Pane much easier.  Third, users can type
in the first few letters of a command in the history and hit the Tab key
to cycle through all commands that begin with that sequence of letters.
Fourth, the minimum size of the bottom pane has been reduced to allow more
room for editing files.  Other changes include an improved undo command
that can now undo series of typed text at a time.  Forward brace matching
has been added as well.  Also, using System.in will no longer cause DrJava
to hang in some cases.

Please download this beta release and use it as your primary copy of
DrJava, submitting any bugs that you find.  We intend to release a stable
version of DrJava based on this release by the end of this week, depending
on the feedback we receive.  Thanks for your help with DrJava!

James

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