Download NetBeans For Mac 12.2

Jan 25, 2021 Download the latest version of NetBeans for Mac for free. Compare with similar apps on MacUpdate. NetBeans for Mac 12.2. 25 January 2021. Download (397.2 MB.

• Apache NetBeans 12.2 runs on JDK LTS releases 8 and 11, as well as on JDK 15, i.e., the current JDK release at the time of this NetBeans release. The current JDKs have an issue on Mac OS Big Sur, that causes freezes on dialogs.
• Become a Patron and help the channel: a step-by-step guide please see: http://jlavelle.uk/pfw/netbeans-ide/how-to-add-the.
• Apache NetBeans 12.2 runs on JDK LTS releases 8 and 11, as well as on JDK 15, i.e., the current JDK release at the time of this NetBeans release. The current JDKs have an issue on Mac OS Big Sur, that causes freezes on dialogs.

NetBeans is a free, open-source integrated development environment (IDE) for the Java programming language. However, it also has extensions for C/C++, PHP, HTML5, and more. It lets users develop applications using these languages in a single program from modules. The IDE also boasts a worldwide community of developers.

A Java development package

NetBeans features a reliable modular IDE architecture and is the leading environment for apps based on Java. It focuses on innovative solutions that reduce time spent writing code and live time for enhancing the audience experience.

Overall, the purpose of the bundles, automated features, and user-friendly tools help developers create apps more effectively and quickly.

Packed with tools, NetBeans brings a lot to the table when it comes to programming. Its main features include cross-platform support, a profiler, a visual debugger, tools for static analysis, a code editor, and code analyzers, single and in batches.

Simpler coding

NetBeans employs a modular format, which makes it easier for users to put together modules and complete their code. The Versioning feature in each module lets programmers know whether the code in one fits with the rest.

There are also built-in modules and OSGi bundles for developers to use. That way, they can integrate third-party modules in their apps or develop their own.

There are three bundles to help with Java development. You can install them all at once or download them as needed.

The Web and Java EE offer CDI, REST, JSF, and tools for Bean titles. The PHP bundle comes with more specific functions, such as CVS version control, syntax highlighting, semantic analysis, and code folding.

Flexibility

If you want to create pluggable apps, you'll benefit from the function that enables you to add new features with each release cycle.

You can install, uninstall, activate, and deactivate modules at runtime. That way, the infrastructure of the app becomes more flexible, and the modules depend less on one another.

There is also Swing and CSS integration to help users see the look and feel of the app they're developing.

Cross-platform architecture

This IDE runs impeccably on Windows, OS, Linux, and other UNIX operating systems. With an Apache software foundation and a license by Oracle since 2010, NetBeans is extremely versatile.

Code editor

The code editor is super powerful, with templates, generators, and tips to facilitate the process. You can even extend it using plugins for extra functionality, and it supports multiple languages.

The editor works together with drag-and-drop tools to make the development of graphic user interfaces much easier. The GUI builder is easy to use and intuitive, too.

Static analysis

The tool for static analysis prevents buggy code and speeds up the process. Moreover, NetBeans integrates with the FindBugs tool that makes identifying and fixing common issues with Java code that much easier.

You'll also find a NetBeans profiler, with professional assistance for optimizing app speed and memory usage for more reliable applications.

Project management

This IDE provides you with several ways to view your data for easier understanding and project management.

The Projects Window is the first entry to your sources, showing you a logical view of essential content. The Files Window shows you all the files belonging to a project, and the Favourites allow you to add files and folders.

The Hierarchy Window shows you super- and subtypes of the selected Java file or folder.

What is the use of NetBeans?

There's not an IDE that represents a perfect solution for all businesses, people, and industries.

Is NetBeans used professionally?

NetBeans is used professionally by various developers on different tasks, but some developers and projects require alternatives. For example, many people choose Eclipse, which is the main competitor of NetBeans, due to its speed and editing support.

Visual Studio Code is great for editing code without the need for a full-fledged IDE, for example, which is much better for simple projects.

PhpStorm is another excellent alternative to NetBeans, geared more towards professional use. Note, however, that this one comes with a fee, while NetBeans is a free IDE.

Microsoft Visual Studio is an excellent choice packed with similar features if your focus is more on C/C++ programming languages than Java.

Simple and full-featured

In order to participate the course, you need to have an account on theTMC server. If you don't have account yet,click 'Sign up' link on the top ofthe front page to create an account.

After signing up, you will see a list of available courses on thefront page. When you click on a course name, you will get access tothe course exercises, and can review your submissions and completedtasks.

The rest of this page goes through instructions for setting up the Cprogramming and TMC tools for your own computer. Different operatingsystems have different installation challenges, and the belowinstructions try to cover different known combinations as well aspossible.

If you do not want to use Netbeans, you can also use command linetools and a separate editor, such as 'vim', 'emacs', 'gedit' or 'kate'. Inthis case, you'll likely want to set up tmc-cli,that allows fetching exercises and submitting them to TMC. Seeinstructions below about how to do that.

If you are not going to install anything to your own machine, you candirectly jump to the section about how to use Netbeans andother tools.

Quick links to platform-specific instructions:

Short summary

Here are instructions for setting up the programming environment inyour own machine. There are following parts in the below instructions:

• Installing the basic command tools needed for compiling, debugging and locally testing of the C programs, i.e., gcc, make, check, pkg-config and gdb. It is important that you do this step first, before setting up Netbeans or tmc-cli.

• Option A: If you prefer to use command line and editor of your choice, you can install a command line client for downloading exercise templates and submitting them to the TMC server. You can find detailed instructions for this below.

• Option B: If you prefer to use Netbeans graphical IDE, you can find below the instructions to install Netbeans, and the plugin that allows easy downloading and submission of exercises to TMC server.

• It is also possible to not use either of the above options, but to submit exercises using the TMC web interface in zip package. This may be a bit inconvenient, but a possible fallback, if neither of the above options work (or satisfy) you.

Following platform-specific problems are known:

• On Windows and Cygwin, local tests are known not to work in all cases. If local tests still do not work, it is possible to directly submit exercises to the server, that will compile and test them on a Linux platform.

• On Mac OS 10.10 Netbeans does not find pkg-config even if installed properly. Workaround is to start Netbeans from the Terminal window after it is installed.

• On Mac OS 10.6 (and older version) JDK 7 cannot be installed, and therefore Netbeans cannot be installed. In that case you will have to use the command line tools as described below, or if you want to try Netbeans, use Virtualbox virtual machine.

Linux

In Linux distributions the gcc compiler and make tool needed byexercise packages are usually installed by default. However you shouldto ensure that the check framework, zip and unzip, gdb and valgrind arealso installed, typing the following in the terminal (assuming youhave admin rights to the machine, and you are using either Debian orUbuntu distribution):

Many of these packages might already be installed in your system, inwhich case you'll get a note about that. If you need to fetch andsubmit packages as zip package (not recommended), you'll need toinstall 'zip' and 'unzip' as well.

If you want to use Netbeans, see below for installationinstructions.

Mac OS

In Mac OS, the C compilers come from the XCode package that can beinstalled from app store. In addition you'll need command line toolsfor development.

• In Mac OS X Mountain Lion (10.8) these can be downloaded using this package.

• In Mac OS C Mavericks (10.9) these can be installed by typing xcode-select --install in Terminal window, and following the instructions.

• Mac OS Yosemite (10.10) has not yet been tested by the course staff, but you'll similarly need C compiler for it. Possibly it happens the same way as with Mavericks.

You will need a package manager to install additional requiredpackages. Howebrew is one such manager, and below instructions aremade for it.

Open Terminal window. You can install Homebrew by typing

Follow the instructions on the screen. More information about Homebrewis available here. When everything isdone, start installing the needed packages:

Unfortunately, setting up gdb and valgrind on recent versions of Macmay be more complicated, but there are instructions for examplehere.

In Mavericks (OS X 10.9), if you want to use these tools from NetBeansor some other GUI application, you'll need to set the required pathsfor the GUI applications by adding the following line to/etc/launchd.conf. One way to do this is to type thefollowing three lines in the terminal command prompt (the first willask your password):

After modifying launchd.conf, you'll need to restart machine forthe path change to take effect.

Unfortunately the above does not work with Yosemite (OS X 10.10), butthe Netbeans should work properly if started from commandline, by typing

/Applications/NetBeans/NetBeans 8.0.1.app/Contents/MacOS/netbeans

The exact name may differ based on version number. The course staffdoes not own Yosemite systems, so the above has not been tested.

For installing Netbeans, see below.

Windows

Since with Cygwin we can't guarantee smoot flawless experience, we higly recommend using the VirtualBox image with Ubuntu and TMC-NetBeans installed for working on the exercise.

We have the installation for windows outlined below, and running exercises usually works, however, there are known issues regarding the lack of windows support.

Download Cygwin from www.cygwin.com. On theweb page, click 'Install Cygwin' link, and choose either 32-bit or64-bit version of Cygwin, based on your system architecture. You canfind this information in the Control panel's system information, butif you are unsure, choose 32-bit version. Click the setup-*.exe linkcorresponding to either of this versions, to download theexecutable. After downloading, click the file to run it.

Various dialogs appear asking for configuration information. Unlessyou want to change the default settings, just click 'Next' throughthem, until you see a window for selecting packages to install. You'llneed to choose the following packages. Click on top of 'Skip' on thelist to select it to be installed.

• Devel/gcc-core -- for the C compiler and related tools
• Devel/make -- for the make tool that the exercise packages use
• Devel/pkg-config -- needed by the tester tool
• Devel/check -- needed by the tester tool
• Devel/gdb -- for debugging your C programs
• Archive/unzip -- for extracting zip packages downloaded from TMC server
• Archive/zip -- for creating zip packages for TMC submission

After pressing 'Next', the installer may recommend additional packagesneeded for dependencies, and in this case you should just click 'Next'until the downloading and installing starts. This will take a while.

Unfortunately, because check does not appear to work perfectly inWindows, the local TMC tests fail in some (many) cases. The easiestadvise for Windows users is to submit code to server forchecking. Before submitting, check that the code compiles withouterrors or warnings, and do some your own tests by modifying src/main.cto see that your code behaves as you expect.

Using the command line client (tmc-cli) for building and checking code

If you do not use Netbeans, you can interact with TMC and submitexercises with the tmc-cli command line client. For command lineclient you need to have a recent Java installed (java 8 should at least be fine)

Installing the tmc-cli on unix systems happens by downloading the executable from https://github.com/testmycode/tmc-cli/releases/latest and giving it execution permissions.After first run, it'll add it to your .bashrc and will be accessible like other binaries.

After installing, you should use 'tmc login -s https://tmc.mooc.fi/mooc' to set up the serveraddress and your login details. It is important to set up the serverURL properly, to https://tmc.mooc.fi/mooc. Usernameand password are the same you used when creating TMC account.Select also the correct course you are participating.

The full usermanual can be viewed here: https://github.com/testmycode/tmc-cli#tmc-cli

The most common tmc commands you will need are the following (seeinstructionsfor more information):

• tmc download: download exercise templates
• tmc update: check for updates in exercises and tests
• tmc test: test the currently selected exercise locally
• tmc submit: submit the currently selected exercise to TMC server.
• tmc paste: send the current exercise to TMC-pastebin.

Installing Netbeans and TMC plugin

If you want to use Netbeans and TMC plugin, here are instructions on how toinstall them. Before doing these, install the debugging and testing toolsfollowing the above instructions on your respective operating system.

Netbeans needs JDK 7 that can be downloaded fromthis web site.Choose the right version based on you machine and download the package.In Linux, choose .tar.gz package and extract it to a location of your choice.For Windows and Mac there are installer packages that you'll need to run andfollow instructions.

After installing JDK, download Netbeans IDE from netbeans.org. Note: The TMC plugin used in this course requires Netbeans version 8.0 or higher. Unfortunately many package managers, e.g. in Ubuntu, include an earlier version, so you'll need to download NetBeans manually. Important: there are multiple variants available on Web page. Install a variant that supports C/C++. You will get an installer package (e.g. netbeans-8.0.1-cpp-linux.sh) that you'll need to run to install NetBeans.

After successfully installing Netbeans and launching it for the first time, you can install the TMC plugin. Here is a short summary how to do this:

• Go to 'Tools' menu, choose 'Plugins' menu item. A window opens.
• Click 'Settings' tab on the top of the window, click 'Add' button on the right side of the window. A dialog opens.
• Type 'TMC' to the name field. Type (or copy-paste) 'http://update.testmycode.net/tmc-netbeans_mooc/updates.xml' to the URL field. Click 'OK'.
• The dialog closes. Click the available plugins tab (second from left). Type 'tmc' to the search field on top right part of the window and press enter. Only one entry, for 'Test My Code plugin' should show up. Click the install checkbox on the plugin, and press 'Install' button on bottom left of the window.
• Plugin installer dialog shows up. Click next and agree with the license agreement. Press 'Install' button once more on bottom right.
• There may be warnings about unsigned plugins, but just click continue (trust me).
• If Netbeans proposes to restart, do so.

When you restart Netbeans, a new dialog should show up for configuringthe TMC plugin. If it does not open automatically, you can open it bygoing to 'TMC' menu on top, and choosing the 'Settings' menu item. Inthe dialog, type the username and password youused for creating TMC account.Also verify that server address is https://tmc.mooc.fi/mooc (should be correct by default). Choose the correct course (you may need to press 'Refresh list' button).

Troubleshooting

• Sometimes the buttons to run local tests or submit the tests turns gray. The most common reasons for this is 1) you have not selected the correct project on the project panel in the left side of the window. Click on the correct exercise set; 2) you have not logged in properly (for example, have mistyped password).

• If an error with '401' or '403' code appears, the most likely reason is that your username or password is wrong.

• When pressing Run - button, Netbeans executes the test executable. If this happens, you can set the executable in the following way: Go the Project Properties in File menu. Choose 'Run' page from the window that opens. Under this page, find 'Run Command' setting, and change that to 'src/main' (instead of default value ${OUTPUT_PATH}).

The exercises are packaged into software projects that are downloadedfrom the TMC site. For larger exercises there is single projectpackage per exercise, but sometimes multiple small exercises arecombined into the the same package. The name of the project packageshould indicated clearly the module and the task number(s) the packagecontains.

Inside the package there are templates for the functions that aredescribed in the exercise description, and related files needed tocompile and build the code: Makefile, include headers, test frameworkcomponents, and a few others. The figure below shows the directoryhierarchy and the location of the most important files.

There is a top-level directory of the form 'Module_X-Task_Y', where X and Y represent the module and task numbers. The exercise work mainly happens on files in 'src' sub-directory. In the first exercises the functions that need to be implemented are in 'source.c' file. In many cases, particularly in the beginning, there are placeholders for the function definitions, but their implementation is empty, and typically one function corresponds to one exercise (or its subtask). Sometimes there are additional completed functions you can (or need) to use in exercise, and sometimes there are functions that are half-ready, and you'll need to fix them. Your task is to fill in the implementations according to instructions. In some cases the name of the source file(s) can be different -- in this case this will be mentioned in the exercise description. 'main.c' file can be used to test the functions you have implemented. It contains the main function where execution starts when you run your program. Usually there is an example implementation of the main function, but you can freely modify it to test different things. The main function is not investigated by the exercise testers. 'source.h' contains the function definitions from source.c, and sometimes additional type declarations. 'main' is the executable file that is created when you compile the source code successfully.

The 'test' directory contains the code that tests your implementation. You do not need to touch this directory, but if you are interested, you can take a look at 'test_source.c' to see how the functions are evaluated. The 'nbproject' directory contains information needed by the Netbeans IDE. It is better not to touch it, particularly is you want to use Netbeans.

After you have done the exercise (or parts of it), the software project package with your modifications is uploaded back to the TMC server in a zip package. The server checks the exercises, and gives points for correctly completed exercises.

In short: in the first two modules src/source.c is usually the only file you must modify to complete exercise. It is also useful to also modify src/main.c to test your code in different ways before you submit it to server.

Netbeans

Netbeans' TMC plugin automatically proposes to download the exercisetemplates for you. If this does not work for some reason, you candownload them using the 'Download/update exercises' menu item in TMCmenu. After they have been downloaded, you can find the exerciseprojects in the left side of the window. You can navigate inside theproject by clicking the tick-mark on the left side of the projectname. Proceed in this hierarchy until you find src directory and filessource.c and main.c. In the first exercises, you need to implement thefunction templates in file source.c. Double-clicking on the file nameopens the file in editor.

After you have written a piece of code, the first task is to checkthat it compiles and does not result in compiler errors orwarnings. Click the hammer logo at the top of the Netbeans window tocompile the project (including all its C source files) and produceexecutable. If compile is successful and does not result in errors, anexecutable file titled 'main' will be produced in the srcdirectory. If there are errors or warnings (at the bottom of thewindow there is space for output), read the messages carefully and tryto fix your code accordingly, and try to compile the codeagain. Repeat this until there are no more warnings and errors.

When the code compiles without warnings and errors, you can try to runit using the green arrow on the right side of the build button. Theoutput will again be shown at the bottom of the Netbeans window. Checkthat the output shows what you expected. Many programming errors aresuch that the compiler does not catch them, but you only notice themfrom unexpected output. If the output is not as you expected, try tofix your code and recompile it, and then try running it again. Note:in C programming, you always need to recompile your code after youhave modified the source. Otherwise the changes do not take effect inthe executable. Many IDEs automatically detect changes and recompilecode when needed, though, but it never hurts to be cautious aboutthis. The course exercise projects produce two executables: one forthe main.c under the src directory, that you can use for your owntesting, and another for the exercise testers. Sometimes, afterpressing the run button, Netbeans asks which one to run. Pick 'main'under the src directory in that case.

If you think the code works, you can use the TMC checker to see if itagrees with you, by using the eye button on the right side of thebutton panel. The checker performs different tests on the differentfunctions, and if everything gives correct result, it reports 'Pass'on the particular task. If there are errors, it reports 'Fail'. Inthat case you'll need to figure out what is the problem (the testgives you some output that hopefully helps), fix the code, recompileit, and re-try the test. There is a separate test for each functionand task, and the green/red meter shows you how many percent of testsin the current project you have passed.

When you are happy with your test results, you can submit your code toTMC server using the rightmost button with upload arrow, that oncemore checks the code and gives you points for successful tasks. Afterthis you are done with this group of tasks, and can move to nextproject. It is also possible to upload the code even if not all testspass. You can do earn points for those tasks that worked. You canalways later resubmit the code, after completing more tasks.

TMC has a feature for requesting code reviews of the submittedcode. Because of the large number of students on the C course, thisfeature is not in use. You can request a review, but it is unlikelythat anyone acts on it.

Command line

If you prefer to work on the command line, it is recommended that youuse tmc-cli, as described above. If this does not work for you forsome reason, an alternative is to submit exercises through the TMC webinterface.

Start by downloading zip package, and extracting it to a chosen place (e.g. using 'unzip' in Linux terminal). Go to the project directory extracted from the zip (Module-_X/Task_Y), and edit 'src/source.c' (or other source file, depending on the exercise) with your favorite text editor based on the assignments. when you want to test that the code compiles, you can type make main on the command line. As in the case of Netbeans IDE, check the compiler output, and if there are errors or warnings, fix the code and rebuild the code.

When there are no errors or warnings, you can run the code. You can do this by typing make run-main. Check if the output matches your expectations. If there was incorrect output, try to fix the code and recompile it after that.

If output looks correct, you can run the TMC tests locally by typing make run-test. For each test there is a line of output, that ends either in Pass or Fail. Typically there is one line of output for each task in the project file. If some tests result in failure, a message is provided that hopefully helps you solve the problem. In that case try to fix the code, and recompile it.

Once you are satisfied with the test results, you will create a zip package out of the project. Go up one level in the file hierarchy, and in Linux terminal type something like 'zip -r project.zip Module_X-Task_Y' to create the package. The -r option is important, because it tells to recursively include subdirectories. You can upload the zip package in the TMC web interface, by choosing the appropriate exercise project from the list, and on the page that opens using 'choose file' button to select your zip package, and then pressing 'Submit'. The system analyses your code for a while, and the gives output about the results. If everything went fine, you can move to next exercise project.

There is a a VirtualBox image based on Ubuntu Linux 14.04 that has theneeded software readily installed, including the tools needed forlocal checks and Netbeans with TMC plugin. If the native installationdoes not work for you, you could try if the VirtualBox image does. Thedownside of this approach is that the VirtualBox image is large: thepackage you'll need to download is slightly over 3 GB, and when installed, thevirtual instance will take about 8 GB from your hard drive. Onexecution, the instance also uses up to 1 GB of RAM, that may beproblem in small systems. Additionally, your hardware should supportvirtualization (e.g., through AMD-V or Inter VT-x), otherwiseexecuting the virtual instance is very slow. In some systems these aredisabled by default, but can be enabled in BIOS. In modern systemsVirtualbox should work fairly well, though.

The VirtualBox image can be downloadedhere (3.5 GB). Unfortunately thecurrent image does not have tmc-cli pre-installed but you can easilyinstall it yourself, based on tmc-cli installationinstructions.

You can download VirtualBox software from their web site. Followthe instructions to install it from the package. Once installed youneed to import the Virtual Box image you downloaded, named'mooc.ova', using the 'Import Appliance' menu item from 'File'menu. A dialog appears, in which you should click 'Ok' or 'Continue'to proceed with installing the image. After installation, it willappear on the left side of the main window. Click 'mooc' itemand press 'Start' on the top of the window. A new window opens wherevirtual Linux instance starts to boot up.

The username for the virtual Linux system is 'mooc', and thepassword is 'mooc'. You do not need to separately login to the systems,but sometimes you may need the password, for example if the Ubuntusystem wants to update existing software packages. You can launch theNetbeans IDE from the icon on top left corner of the Linuxdesktop. The virtualbox image already has the TMC plugin installed,but you'll need to configure your TMC username and password in theSettings dialog you can find from the 'TMC' menu. More detailedinstructions are same as above in the Netbeans installation section.

You can use the command line also with the VirtualBoximage. Just open the terminal window (see icon on the left), andfollow instructions above. You don't need to install Check orValgrind, they are already available in the virtual instance.

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If you have problem with your code you cannot solve, you can send itto pastebin at the TMC server so that the course assistants can seeit, and possibly help with your problem. Note: also other studentswho have already solved the particular exercise package can see thepastebin post (and possibly help). After submitting to pastebin, youwill get an URL that you can copy and paste for example to IRC.

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If you are using Netbeans, pick 'Send code to TMC pastebin' from TMCmenu. A window opens, where you can supply a comment or question. Thenpress 'Send', and you will get a link back that you can copy to IRC(or Email).

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If you are using tmc-cli, you can type tmc paste tosubmit the currently selected exercise to pastebin.

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If you are using neither Netbeans or tmc.py, you'll need to go to TMCserver, choose the correct exercise and select the zip package thatcontains your code. Before submitting, click 'Submit to pastebin'checkbox. You will get a submission confirmation page. Click 'Viewsubmitted files' and use the resulting URL as your pastebin URL.