Downloading and setting up DrJava
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DrJava is a free environment for writing and running Java programs. It is installed on CIT's computers throughout the campus and in the ACCEL lab.
Please note that there are two versions of Java. The older version, Java 1.4.2, and the newer version, Java 1.5. For most of the semester, it will not matter which version you are using. We will not make use of the new features in Java 1.5.
You need a Java virtual machine
You will need the Java software development kit (JDK) from the Sun website. THIS MAY ALREADY BE ON YOUR COMPUTER. Don't attempt to download and install it unless you know you don't have it. If you have a Macintosh running Mac OS X, you almost certainly have it. If you have a PC, this site can check whether you have it:
If you need the Java software development kit (JDK) get it from this website:
See the Popular Downloads link on the right side of that page. Choose J2SE 5.0. Also, choose the J2SE JDK or SDK (not just the JRE and not the 'bundles' that include other programming environments, such as netBeans). Warning: this is a big download!
Can't execute jar files
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. We explain this for Windows 2000; older windows systems are similar.
Your system contains a variable that lists directories with executable files in them. Type 'path' in a command-line window. The line that is printed contains path names separated by semicolons. For example, one path name may be:
C:WINNTsystem32
There should be a path that looks like this: C:j2sdk1.4.1_02bin. This is a directory called bin inside the directory where you installed the sdk. It may be different on your computer. If such a path is not there, you have to add it. Bring up the help in your Windows system, open the index, and look for 'path'. There, you will find instructions on appending another directory to variable path. It may be something like this (but read the instructions):
path %path%;C:j2sdk1.4.1_02bin
Downloading DrJava
The easiest thing for you to do is to download this version of DrJava drjava-stable-20080106-0744. This version is supposed to work whether you have Java 1.4.2 or Java 1.5, and we advise using it.
If you want, open this web page (by clicking the link) in your browser and choose another version of DrJava to download. Get the latest version. Note that DrJava won't run unless you have a Java 2 v1.3 (or later) virtual machine already installed.
Warning: you may get a dialog saying something about a 'JAR archive security check'. If you do, just right-click on the DrJava download link and select 'Save Link As' (or the equivalent in your browser).
We know that all this setup can be annoying, but you have to do it only once!
A common DrJava problem: finding tools.jar
Question: I downloaded Sun's J2SE SDK and DrJava. 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?:
Compiler not found. The file you chose did not appear to contain the compiler. Would you like to pick again? The compiler is generally located in 'tools.jar', in 'lib' subdirectory under your JDK installation director. (If you say 'No', DrJava will be unable to compile programs.)
Answer: First, make sure you installed the Java SDK, not the JRE. (See above.)
Next, file tool.jar comes with the JDK. The usual location is
C:Program FilesJavajdk1.5.0_02libtools.jar
if you have followed the default options during the JDK download process. You can also use a desktop tool to search for this file on your computer. You simply need to set DrJava's Preferences to the correct path. To do so, follow these menu items: Edit - Preferences - Resource Locations - Tools.jar Location then type or browse to the correct location.
Where can i download os for macbook pro 3.1 download. Running DrJava
There are several ways to run DrJava:
- From the command line, you can type java -jar drjava-stable-20061025-1556.jar
- On many platforms, you can simply double-click the jar file to start DrJava.
- On OS X, you can download the drjava-stable-20061025-1556.jar-osx.tar.gz package. You can then run DrJava as a normal application.
Documentation --how to use DrJava
The demos given in class and in the demo sessions should help, if you take notes. However, here is documention on using DrJava (http://drjava.sourceforge.net/userdocs/) on the web.
Wrong-version error.
Do you get a message that looks like this?
Error: cannot access javax.swing.JFrame
bad class file: C:Program FilesJavajre1.5.0librt.jar(javax/swing/JFrame.class)
class file has wrong version 49.0, should be 48.0
Please remove or make sure it appears in the correct subdirectory of the classpath.
It may mean that your computer has two different systems on it and is an inconsistent state. If your computer has jre5.0, then it cannot use SDK 4.7. Uninstall SDK4.7 and download JDK 5.0 and use its tools.jar.
People search for the bridge tools to connect their Android smartphone with their iOS like MacBook, MacBook Air, iMac etc. There are very fewer tools which help us to connect our smartphone with iOS. Since Odin is one of the tools which guides us to connect as well as help us to perform all the task to work over our smartphone. Hence, we are going to discuss Odin for Mac. Specifically, what is Odin, it features, latest version, it's requirements, how to download, how to install Odin on Mac and how to use Odin on Mac?
Contents
- 1 What is Odin?
- 1.1 Features of Odin
- 2 Can we use Odin on Mac?
What is Odin?
It is the flash tool used to connect your Samsung smartphones sponsored by Samsung Inc. It is very light software, used by the millions of the users worldwide. It has been proven the best tool to connect Samsung smartphones or tablets with the Windows, Linux or iOS.
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We are only concern about the Odin on Mac. Hence, in order to flash your smartphone's firmware, you just need to connect it with the Mac and put on the download mode or Odin mode.
Features of Odin
Odin is designed in a way to work such as flashing firmware, recover data, bootloader, update the kernel or rooting the device. Some most frequently used features of the Samsung Odin is enlisted below.
Flash Stock Firmware:
With the help of Odin, you can Flash your Stock Firmware of the device. Hence, this tool helps us to fix the issues like crash, boot loop etc. Since it is very helpful to fix such errors with the help of Odin.
Flash Custom Firmware:
Custom Firmware generally refers to the Custom ROM. Hence, we can Flash our Custom Firmware of the device with the help of Odin. You can modify or replace the contents of the ROM. Since it works with the desired processing.
Flash Recovery File:
If you are familiar with TWRP(Team Win Recovery Project). Odin also allows the user to Flash Stock or Custom Recovery. Since you can add many more functions to your android with the help of Odin.
Flash Kernels:
Custom Kernel is nothing but it is the way to achieve some special features which initially not present in your kernel from manufacturers. Hence, Flashing Kernels is possible with Odin. You just need Odin Flashable Kernel which is '.tar' and also it must be compatible with your device.
Flash Root Package:
Odin can also Flash Custom Root packages to letting root access on your device.
Can we use Odin on Mac?
Odin is only designed for Windows OS.
Samsung developers are still working on the compatibility of Odin on other OS like Mac or Linux. You can still use Odin on Mac as some experts designed JOdin which is compatible with Mac.
It is designed in a way to work as similar as Odin. It's features and other tools are also work same as for Odin works with Windows.
JOdin is only compatible with Mac OS. Before you download JOdin, learn about the latest versions and it's compatibility with your existing Mac.
The latest version of Odin
Latest version of Odin which you can use with your Mac is JOdin3. Hence, it is easily available at various websites. Use only trusted websites to download JOdin3 so that it can work with the healthy environment. There are some websites which can share the download link with some hyperlinks. Hence, aware of being trapped in any fake hyperlink.
Requirements for Odin on Mac
It is very important to check for the requirements of the JOdin3 with your Mac. Hence, most of the time the latest version of the software could not be supported with the existing Mac due to lack of requirements. Hence, check for these requirements.
- Check for the latest version of the Mac iOS so that JOdin3 can perform all the task to modify the features of your smartphone.
- Mac can be updated with the USB drivers so that your Mac can easily detect your Smartphone after you connect.
- Download the latest Odin software so that it can be run easily with your existing Mac.
- Your Mac could not have Kies installed with it. So that Odin can work smoothly.
- The latest version of Kava should be installed on your Mac to run Odin properly.
- It is always advised to install Heimdall apart from java so that Odin can perform smoothly.
How to download and Install Odin on Mac
Macbook air yosemite download torrent. Follow some simple steps to download and install JOdin3 on Mac.
Step 1: Downloaded latest version of JOdin3 from XDADevelopers
Step 2: Extract the downloaded folder of Odin after being downloaded.
Step 3: After being extracted, open the folder and tap to open the installation file.
Step 4: It will take a few minutes to install the software. The home panel will open after the installation process completed.
How to use Odin on Mac
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Step 1: Open Odin, the home window will show up. You will see many options in the windows appear.
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Step 2: Scroll and tap to select PDA tab to open it.
Step 3: Navigate to the .tar.md5 file. After that, boot your mobile to the download mode or Odin mode by pressing volume down key, home key and power key simultaneously while your device is rebooting.
Step 4: Uncheck all the options available on the Odin window and leave the auto reboot option unchecked.
Step 5: Click on the start button. After a few minutes, the flashing is done and your device will reboot automatically.
Conclusion
This is all you need to learn about JOdin Software. It is advised to make a copy of your device data before flashing your device.
So, jOdin is the only alternative to Odin that you can use on MacOS. If you want to ask anything about Odin, comment below.
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