Compiler Java For Mac

Posted on 21-04-2021 by admin

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Well, I’ve recently gone to the “silver” side and acquired a MacBook Pro to use it for development when I am not at my PC. By development I mean here mainly Java + Javascript development. So I’ve written this post to remember what I had to install/configure to achieve this goal.

I need to mention that until now I’ve been a user of Windows (XP/7) and Linux (Ubuntu/Mint/Cent OS) operation systems.

At the time of this writing MacBook Pro runs on OS X Yosemite Version 10.10.5. The new version El Capitan was available, but I didn’t do the upgrade first because it had to many bad reviews…

Contents

JDK
Extras
- Keyboard shortcuts
- MySQL
- Terminal window

JDK

So first things first- installe a Java Development Kit (JDK), which is a software development environment used for developing Java applications and applets. It includes the Java Runtime Environment (JRE), an interpreter/loader (java), a compiler (javac), an archiver (jar), a documentation generator (javadoc) and other tools needed in Java development.

Download the Mac OS X x64 .dmg files version

Free Java Code Compiler

You can find out where the JDK is installed, by executing the /usr/libexec/java_home -v 1.7 , on the terminal command:

You will need to know this when setting up a project in IntelliJ for example.

Set JAVA_HOME

JAVA_HOME is just a convention, usually used by Tomcat, other Java EE app servers and build tools such as Maven to find where Java lives.

In Mac OSX 10.5 or later, Apple recommends to set the $JAVA_HOME variable to /usr/libexec/java_home, just export $JAVA_HOME in file ~/.bash_profile or ~/.profile

Maven

With the JAVA_HOME environment variable configure, go to the Apache Maven Downloads website, download the .tar.gz or .zip archive and unpack it in a folder of your choice – I put it under the /opt directory:

It is also recommended to create a symbolic link to the Maven home, so that when let’s say you update your Maven version, you’ll only have to change the symbolic link target:

Then set Maven in the environment variables

Close the terminal and open a new one. When you try now to get the maven versioning you should get something like the following:

An alternative is to use Homebrew and execute the following command:

GIT

Open a terminal window and type the following command for example:

At the next moment you will be asekd to install Xcode. This is the a complete developer toolset for building apps that run on Apple TV, Apple Watch, iPhone, iPad, and Mac. It includes the Xcode IDE, simulators, and all the required tools and frameworks to build apps for iOS, watchOS, tvOS, and OS X (it also contains GNU Compiler Collection-gcc).

You can do the above, but if you do not want everything from that package you can install Homebrew (“Homebrew installs the stuff you need that Apple didn’t.”) and run the following commands:

Either way once Git is installed the initial command git –version will bring the installed version:

If you are working with Github, I recommend you also install the Github Desktop

IntelliJ

In the mean time IntelliJ has become my favorite IDE, mainly because you have almost the same feature support when doing front-end development. To install it, go to the download page and follow the installation instructions:

INSTALLATION INSTRUCTIONS

Download the idea-15.dmg OS X Disk Image file.
Mount it as another disk in your system.
Copy IntelliJ IDEA to your Applications folder

Once done you need to get acquainted with key shortcuts for OS X – IntelliJ IDEA Mac OS X Keymap

Extras

Keyboard shortcuts

General

Please visit](https://support.apple.com/en-us/HT201236) for usual keyboard shortcuts (Cut, copy, paste, and other common shortcuts, document shortcuts etc.)

Finder

Shift + cmd + C > go to Computer
Shift + cmd + H > go to Home folder
Shift + cmd + D > go to Desktop

A quick access with the mouse to the same folders is by dragging and dropping them on the sidebar under Favorites

As long as we are by sidebar subject, a good productivity gain can be achieved by using Smart Folders – these folders let you save a search to reuse in the future. Smart Folders are updated continuously, so they always find all the files on your computer that match the search criteria. Watch the following video to see how you can easily add them to the sidebar

NodeJS

Node.js® is a JavaScript runtime built on Chrome’s V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js’ package ecosystem, npm, is the largest ecosystem of open source libraries in the world. Recently is a must have tool if you need to do fancier stuff on your front-end part of your application.

Go to https://nodejs.org/ and download the latest version for OS X (x64). Double click on the node-v4.2.2.pkg file (latest stable version at the writing of the post) and follow the installation instructions steps.

When ready open a terminal window and check the version installed to see if it is working:

MySQL

Go to Downloads page – http://dev.mysql.com/downloads/mysql/, download the Mac OS X 10.10 (x86, 64-bit), DMG Archive and follow the steps described in the installation guide.

Start, stop server

The MySQL Installation Package includes a MySQL preference pane that enables you to start, stop, and control automated startup during boot of your MySQL installation.

This preference pane is installed by default, and is listed under your system’s System Preferences window, which can be found under Applications.

Access MySQL from command line

Basically need to add MySQL to the PATH variable. Edit the /~.bash_profile with the following:

To test that it’s working start a new terminal and verify mysql version from command line:

Install MySQL Workbench

If you want to have also a GUI on top of it I recommend you install the MySQL Workbench that can be also found in the downloads section. Installation instruction is the same as the MySQL server installation.

Terminal window

Set background black

Open Terminal, then go to the Terminal menu -> Preferences, choose the Settings tab and set the Pro theme as the default.

Jump to beginning/end of a line

To jump at

beginning of a line – Ctrl+A
end of a line – Ctrl+E
jump between words – Alt+</>

Open terminal in here

Go to:

Enable New Terminal at Folder. There’s also New Terminal Tab at Folder, which will create a tab in the frontmost Terminal window (if any, else it will create a new window). These Services work in all applications, not just Finder, and they operate on folders as well as absolute pathnames selected in text.

You can even assign command keys to them.

Services appear in the Services submenu of each application menu, and within the contextual menu (Control-Click or Right-Click on a folder or pathname).

The New Terminal at Folder service will become active when you select a folder in Finder. You cannot simply have the folder open and run the service “in place”. Go back to the parent folder, select the relevant folder, then activate the service via the Services menu or context menu.

In addition, Lion Terminal will open a new terminal window if you drag a folder (or pathname) onto the Terminal application icon, and you can also drag to the tab bar of an existing window to create a new tab.

Finally, if you drag a folder or pathname onto a tab (in the tab bar) and the foreground process is the shell, it will automatically execute a “cd” command. (Dragging into the terminal view within the tab merely inserts the pathname on its own, as in older versions of Terminal.)

You can also do this from the command line or a shell script:

This is the command-line equivalent of dragging a folder/pathname onto the Terminal application icon.

Use aliases

To ease your life for long and usual commands use aliases. For example to connect remote instead of typing ssh ama@x.y.z.q and having to remember ip address or server name, you could just type rmcon (or whatever it’s easy for you to remember). To do that append to the .bash_profile in your home directory the alias command and then source the file:

I can’t stress enough, how much comfortable your life can become, if you are using aliases the right way - A developer’s guide to using aliases

Commands

Find out who is listening on port (e.g. 8080)

iTerm2

A very nice alternative to the “classic” terminal is iTerm, now in version 2:

“iTerm2 is a replacement for Terminal and the successor to iTerm. It works on Macs with OS 10.5 (Leopard) or newer. iTerm2 brings the terminal into the modern age with features you never knew you always wanted“

Look under Preferences > Keys for shortcuts to easily navigate/move the tabs…

Generate ssh keys

Open a terminal window and execute the following command:

Man pages:

ssh-keygen generates, manages and converts authentication keys for ssh(1).ssh-keygen can create RSA keys for use by SSH protocol version 1 and DSA, ECDSA, ED25519 or RSA keys for use by SSH protocol version 2.The type of key to be generated is specified with the -t option.If invoked without any arguments, ssh-keygen will generate an RSA key for use in SSH protocol 2 connec-tions.

You will be asked then where to store the key (default under /Users/YOUR_USERNAME/.ssh/id_rsa)

When asked for a passphrase you can enter a passphrase to add it to the key. If you choose to add a passphrase every time you want to use your key with ssh, you’ll have to enter this passphrase. It is a little bit more inconvenient, but more secure.

Once that is done, you should get a message like the following:

You can now use the generated id_rsa.pub key and upload it to the systems you want to connect to over ssh.

Install Programs from Unidentified Developers {.title}

Java Ide For Mac

By default, Mac OS only allows users to install applications from ‘verified sources.’ To change that open the System Preferences > Security & Privacy > General and select “Allow applications downloaded from: Anywhere“. Follow this link, to see a more detailed description with pictures.

Often used UNIX keys on the German/Swiss keyboard

I bought the Mac Book to use it as developer machine on the go and one of my initial surprises was the missing of some keys a developer/terminal user uses pretty often like []|{}~

Find below a map for these keys: