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FREE JAVA COMPILER WHEN DRJAVA WONT WORK MAC OS
FREE JAVA COMPILER WHEN DRJAVA WONT WORK INSTALL
FREE JAVA COMPILER WHEN DRJAVA WONT WORK ARCHIVE
FREE JAVA COMPILER WHEN DRJAVA WONT WORK SOFTWARE

The demos given in class and in the demo sessions should help, if you take notes. You can then run DrJava as a normal application.

On OS X or Windows, download the appropriate application.

On many platforms, you can simply double-click the jar file to start DrJava.

From the command line, you can type: java -jar drjava-stable-20050814-2234.jar.

To do so, follow these menu items: Edit - Preferences - Resource Locations - Tools.jar Location then type or browse to the correct location. You simply need to set DrJava's Preferences to the correct path. You can also use a desktop tool to search for this file on your computer. If you have followed the default options during the JDK download process. The usual location isĬ:\Program Files\Java\jdk1.5.0_02\lib\tools.jar (If you say 'No', DrJava will be unable to compile programs.)Īnswer: First, make sure you installed the Java SDK, not the JRE. Would you like to pick again? The compiler is generally located in 'tools.jar', in 'lib' subdirectory under your JDK installation director. The file you chose did not appear to contain the compiler. When it came to actually running DrJava, the following window kept popping up even though somehow DrJava still managed to run without me finding the file -what should I do?:Ĭompiler not found. Question: I downloaded Sun's J2SE SDK and DrJava. We know that all this setup can be annoying, but you have to do it only once!Ī common DrJava problem: finding tools.jar If you do, just right-click on the DrJava download link and select "Save Link As" (or the equivalent in your browser).

FREE JAVA COMPILER WHEN DRJAVA WONT WORK ARCHIVE

Warning: you may get a dialog saying something about a "JAR archive security check". Note that DrJava won't run unless you have a Java 2 v1.3 (or later) virtual machine already installed. If you want, open this web page (by clicking the link) in your browser and choose another version of DrJava to download.

This version is supposed to work whether you have Java 1.4.2 or Java 1.5, and we advise using it. The easiest thing for you to do is to download this zipped version of DrJava and unzip it: 2005aug14drjava.zip. It may be something like this (but read the instructions): There, you will find instructions on appending another directory to variable path. Bring up the help in your Windows system, open the index, and look for "path". If such a path is not there, you have to add it. This is a directory called bin inside the directory where you installed the sdk. There should be a path that looks like this: C:\j2sdk1.4.1_02\bin. The line that is printed contains path names separated by semicolons. Your system contains a variable that lists directories with executable files in them. We explain this for Windows 2000 older windows systems are similar. If you cannot double-click on a jar file to start it running, or if you cannot execute any of the commands java, javac, javadoc, or jar, you probably have not set your path correctly. Also, choose the J2SE JDK or SDK (not just the JRE and not the "bundles" that include other programming environments, such as netBeans). See the Popular Downloads link on the right side of that page.

FREE JAVA COMPILER WHEN DRJAVA WONT WORK SOFTWARE

If you need the Java software development kit (JDK) get it from this website: If you have a PC, this site can check whether you have it:

FREE JAVA COMPILER WHEN DRJAVA WONT WORK MAC OS

If you have a Macintosh running Mac OS X, you almost certainly have it.

FREE JAVA COMPILER WHEN DRJAVA WONT WORK INSTALL

Don't attempt to download and install it unless you know you don't have it. You will need the Java software development kit (JDK) from the Sun website.