default java_home path in linux

Now, update the values of JAVA_HOME and PATH. Set PATH using the syntax export PATH=$ {PATH}: path to the JDK bin . Note that this environment variable will only last for the current shell session. How do I choose Java version in Linux? How to install or upgrade JVM in Linux OS? Every time you instance reboot itll be automatically called by /etc/profile. Replace YOUR_PATH with the JDK bin file path. this answer sets it only for the current user. You will find Java everywhere banking, financial services, big data, stock market, mobile (Android), and more. First thing first. On Linux I add this line to my ~/.profile: While we are up to setting JAVA_HOME, let me share some benefits of setting JAVA_HOME or any other environment variable: 1) It's easy to upgrade JDK without affecting your application startup and config file which points to JAVA_HOME. How do I change permissions for a folder and its subfolders/files? Difference between table scan, index scan, and ind How to find Nth Highest Salary in MySQL and SQL Se 10 Examples of df Command in Linux and UNIX. This will update dynamically and works well with the alternatives system. Then, you can set JAVA_HOME to point to this directory. We can permanently set the JAVA_HOME using /etc/environment file. Posting as answer, as I don't have the privilege to comment. Recursively counting files in a Linux directory. If you try which java and it doesn't find anything, Java may not be installed on your machine, or at least isn't in your path. The above command checks the version of Java compiler. Also read /usr/share/doc/openjdk-8-jre-headless/JAVA_HOME and it says the JAVA_HOME should no longer be needed (legacy). Please make sure to upgrade to Latest JDK. echo 'export JAVA_HOME=/usr/lib/jvm/java-8-oracle' >> ~/.bashrc While tools can be found in the JDK/bin directory, it is necessary to set the path if you want to run a Java program from a different location. This is best benefit of using environment variable or links. The canonical location seems to vary across distributions. I also manage cloud infrastructure, continuous monitoring, DevOps processes, security, and continuous integration and deployment. Click ' New '. Is there something like Retr0bright but already made and trustworthy? export JAVA_HOME, we need to provide the new path here, make sure that it is not relative. Are cheap electric helicopters feasible to produce? If all packages installation is complete, verify your Java version using the following command. @AdamHughes this is for unix system. You need to know Where is Jdk Home Path in Linux before you start working on Java. In /etc/profile , if you open that will youll get to know that IT IS no recommended to write on that file. Many applications rely on this environment variable to locate the Java binaries and libraries. Ensure your user ID is not privileged by executing ntest sudo if logged in as not-privileged user, sudo /etc/profile. Path is used define where the system can find the executables(.exe) files and classpath is used to specify the location . Only the specific user can use them in their sessions. This is for bash. I use both Ubuntu and Linux Mint. Ensure that the application you want to run is installed. You want to set JAVA_HOME to be the root location of the JDK or JRE, for example: export JAVA_HOME=/usr/java/jdk1.3 If the JDK (Development kit) is installed, ypu probably want it to point to that, else use the JRE path (Java Runtime Environment). Press " New " and type " %JAVA_HOME%\bin " to add Java path. How can I recursively find all files in current and subfolders based on wildcard matching? Powered by, best data structure and algorithms courses, Top 20 Golang Interview Questions with Answers, Top 21 Groovy Interview Questions with Answers. As we all know, JAVA_HOME is an environment variable that we commonly use to locate java executables, like java and javac. What's a good single chain ring size for a 7s 12-28 cassette for better hill climbing? E 10 Best Java Online Courses and Tutorials for Begi Top 5 Free Excel Tutorials and Courses for Beginne Top 5 MEAN stack online Courses to Learn Web Devel Why String is Immutable or final in Java - 5 Reasons. Enter the following commands to set your environment variables. Even after reboot, It seems a potentially correct answer but could you explain, This command is for installing Java, not for setting, How to set JAVA_HOME in Linux for all users, http://javarevisited.blogspot.com/2012/02/how-to-set-javahome-environment-in.html#ixzz4BWmaYIjH, Making location easier for developers with new data primitives, Mobile app infrastructure being decommissioned, 2022 Moderator Election Q&A Question Collection. Done. Right click My Computer and select Properties.. On the Advanced tab, select Environment Variables, and then edit JAVA_HOME to point to the location of the of the Java Runtime Environment (JRE).. For example, you might specify: C:\Program Files\Java\jdk1.8\jre To set up JAVA_HOME and PATH variables on Linux for bash: Set the JAVA_HOME Variable Java is typically installed in a folder like /usr/lib/jvm/java-version. These settings will change the $PATH, but temporarily. Depending on which Linux distribution you have and whether or not you have root access, you can go to http://www.java.com to download the version you need. Then, you can set JAVA_HOME to point to this directory. To set the JAVA_HOME to option 3 for instance you can do it this way export JAVA_HOME=/usr/java/jdk-17.0.2, http://www.gnu.org/software/sed/manual/html_node/Print-bash-environment.html#Print-bash-environment. Ah, nevermind, the intention is clearer with an echo before it: JAVA_HOME is no longer defined in Linux systems and is deprecated. Step 2: I know this is late, but this command searches the /usr/ directory to find java for you, FYI, if you are on a Mac, currently JAVA_HOME is located at, /System/Library/Frameworks/JavaVM.framework/Home. Note that it requires sudo privilege to tweak this file. For Ubuntu 18.04, the path is /usr/lib/jvm/java-8 . Each answer should stand alone, so please explain the entire process you followed in a single post then delete the other one. Click the ' Environment Variables ' button. I was offered this link to follow. Student of CSE. After typing the password, it will open the bash file. will prevent the need for merging in future updates.*. All you have to do now is to set the "JAVA_HOME" and "PATH" environment variables and then you are done. You can scroll around and look it over. If you are not getting anything, then your environment variable JAVA_HOME has not been set. To learn more, see our tips on writing great answers. Stack Overflow for Teams is moving to its own domain! OpenJDK Runtime Environment (rhel-2.4.7.1.el6_5-x86_64 u55-b13), OpenJDK 64-Bit Server VM (build 24.51-b03, mixed mode). I am a software developer and online educator who likes to keep up with all the latest in technology. 2) JAVA_HOME variable is short and concise instead of full path to JDK installation directory. Prepend sudo if logged in as not-privileged user, ie. Now, add the following line at the end of the file. Hence, in short with this you will get all the available Java_home even of different versions. Had to use sudo find / -name *javac to find the oracle VM I had installed, Unsafe sed command: what if /usr/bin/java was a symlink to, Fantastic Solution! Linux Hint LLC, [emailprotected] Check if JAVA_HOME variable is defined We set Java home and Java path variables, let's check is it really working. What does the 100 resistor do in this push-pull amplifier? Earliest sci-fi film or program where an actor plays themself. How To Set Java_home In Kali Linux? Why does javac throw compile errors when my IDE does not? Stack Overflow for Teams is moving to its own domain! if your startup script uses JAVA_HOME then it can run on Windows and UNIX without any modification, you just need to set JAVA_HOME on respective operating system. I use it frequently for java, maven, and whatnot! Why does the sentence uses a question form, but it is put a period in the end? It should point to the directory containing a bin/java executable. To check that open putty and connect to your Linux server and type the following command $ java Usage: java [ - options] class [args.] Thanks @Hilikus :-) I changed it accordingly. JRE stands for Java Runtime Environment. This package contains the tools and libraries needed to run a Java application. The terminal should now be open. Thanks for contributing an answer to Stack Overflow! sudo vim, For all users, I would recommend creating a file in /etc/profile.d/java_home.sh the following lines. Edit your first one and include all relevant information. Check the content of the directory. 10 Easy Ways to Create and Sell NFTs (Non Fungible Top 25 React Native interview Questions Answers. Now it will list the available java versions. Before diving deeper, lets quickly refresh on various concepts and keywords. You can use source /etc/source if don't want to restart computer, 4Using the short cut Ctlr + Alt + T to open terminal, This is a very simple script to solve the problem. Thank you! /jre/bin/java (but this is not a system which uses apt-get ). We're going to set the value of JAVA_HOME to java-1.11.-openjdk-amd64 (recommended). Making statements based on opinion; back them up with references or personal experience. It will ask you your password. Use the following -version command to check default java version. How to add or view SSL certificate in Java keyStor 10 Advanced Core Java Interview questions for Expe 10 AWT Swing Interview Questions Answers in Java. About Author Ian Carnaghan. Learn Java and Programming through articles, code examples, and tutorials for developers of all levels. Were going to set the value of JAVA_HOME to java-1.11.0-openjdk-amd64 (recommended). If youre interested in Java, you are probably already familiar with them. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It's probably worth mentioning that this started working with JDK1.7 (IIRC). $ echo $PATH Method 2: Permanently changing $PATH in terminal To change the $PATH permanently, you must define the $PATH variable configuration files. Now you will be prompted if you want this version to be set as default. Before running the following command make sure to change the java-version with the actual folder found on your computer: echo "export JAVA_HOME=/usr/lib/jvm/java-version" >> ~/.bash_profile Set JAVA_HOME using the syntax export JAVA_HOME= path to JDK . For all users, you have to follow below steps, export JAVA_HOME="/usr/lib/jvm/java-8-openjdk-amd64/". Perhaps there is an effort to deprecate it in Java 8, but the shear number of tools that rely on JAVA_HOME will mandate a need to continue to define the variable for many years yet @harschware It could be just an Ubuntu thing. 2022 Linux Shout Powered by H2S Media, Command to find Java_home on Linux distros, How to install Apache Kafka on Rocky Linux 8 or AlmaLinux, How to connect Rocky Linux 8 via Windows RDP protocol, 2 ways for Installing FFmpeg on Ubuntu 22.04 LTS, Command to view DNS records for a Domain in Ubuntu Linux. To learn more, see our tips on writing great answers. CLASSPATH is the path for Java application where the classes you compiled will be available. JAVA_HOME is basically an OS environment variable that points to the directory where the JDK or JRE is installed on your system. Would it be illegal for me to act as a Civillian Traffic Enforcer. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Here is the find command that will use your current user directories to find the folders with JDK in them. What should I do? Firstly I opened Ubuntu Software center and searched for jdk removed the installer and default jdk 6 from there. None of the other answers were "sticking" for me in RHEL 7, even setting JAVA_HOME and PATH directly in /etc/profile or ~/.bash_profile would not work. Employer made me redundant, then retracted the notice after realising that I'm about to start on a new project. Remember, that this is just a convention and shouldn't be used to determine if java is installed or not. How do I get the directory where a Bash script is located from within the script itself? Originally released by Sun Microsystems in 1995, Java is a cross-platform language that is now a part of almost every aspect of technology. why am I getting error by using JXDatePicker class. Connect and share knowledge within a single location that is structured and easy to search. Here's an improvement, grabbing just the directory to stdout: You can check from the command line by executing this command echo $JAVA_HOME. For that open terminal with root permission. Some applications require you to set the JAVA_HOME environment variable so that they can find the OpenJDK installation. Its a must-have to run any Java program on the system. Please don't post multiple answers. Swap How to send Logging Messages to SysLog using Log4j 5 Ways to implement Singleton Design Pattern in Ja How to use Strategy Design Pattern in Java? This version number is often linked to the Java binary path. Now, to always keep updated with newer versions of Java being installed, never put the absolute path, instead use: export JAVA_HOME=$(readlink -f /usr/bin/javac | sed "s:/bin/javac::"), export JAVA_HOME=$(readlink -f /usr/bin/java | sed "s:/bin/java::"). What is the correct target for the JAVA_HOME environment variable for a Linux OpenJDK Debian-based distribution? 2. Earliest sci-fi film or program where an actor plays themself. So, you dont have to install JRE separately if you already have JDK installed. java -version Depending on which Linux distribution you have and whether or not you have root access, you can go to http://www.java.com to download the version you need. Does it make sense to say that if someone was hired for an academic position, that means they were the "best"? Java requires a path to be set in order to use its tools. Procedure Set the value of JAVA_HOME . sudo find /usr/ -name *jdk Output Example: The next command uses Java itself to find the path Run Android Studio with JRE 1.8 or later version, React native JAVA_HOME is set to an invalid directory, Running jar with cron throws error: '/bin/sh: 1: java: not found'. Can an autistic person with difficulty making eye contact survive in the workplace? open terminal and edit environment file by typing following command. To set the JAVA_HOME environment variable on Windows. How do I simplify/combine these two methods? Are cheap electric helicopters feasible to produce? Change the default Java path to other path in FreeBSD. Before that you would have needed to call: Holy moly this one works better than all the others, thanks! Bash comes with a global bashrc file that every shell session in the system must load, irrespective of the user. How to find all files containing specific text (string) on Linux? if you want to use jdk as home instead of jre just tweak readlink -f /usr/bin/java | sed "s:jre/bin/java::". @PeterQuiring Thanks Peter, unfortunately I don't have easy access to that file. Now that we understand what JAVA_HOME is, its time to learn how to set its value. Now configure JAVA_HOME the same way. Java is one of the most influential and popular programming languages. Korn and bash shells:export JAVA_HOME=jdk-install-dir, Bourne shell:JAVA_HOME=jdk-install-dir;export JAVA_HOME. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. after that save the file and exit by pressing Ctrl+S followed by Ctrl+X, 1Using the short cut Ctlr + Alt + T to open terminal, 3(Recommended) Restart your VM / computer. However, sometimes while installing some software platforms or creating systemd service unit files, we need to mention the location or Java_Home path manually in them. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. It is an environment variable that is nothing but a location or directory where after the installation of Java on Linux, Windows, or mac we can find the java executables such as java, javac, and keytool. How Do I Find My Jdk Path Ubuntu? If you have JDK 1.6 (corresponding to Java 6) or a newer version installed, you should have a program named jrunscript in your PATH.You can use this to find the corresponding JAVA_HOME.Example: Thast's because you have altered IFS variable to use ':' so when its output your variable its replaced with default output field separator which is 'space' thinking that ':' is input field separator . When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. It easily ranks among the top programming languages and is likely to remain so for at least a decade. Should we burninate the [variations] tag? path is set for use java tool in your java program like java, javac, javap. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Extract the compressed file to the required location. don't forget to delete the double quotes and recreate them from your keyboard, because only copying and pasting may create troubles. Should we burninate the [variations] tag? Does activating the pump in a vacuum chamber produce movement of the air inside? (to execute a jar file) Some coworkers are committing to work overtime for a 1% bonus. Where is default java path in Linux? When you purchase, we may earn a commission. Do note though that the update will only take place in a new login shell. Prerequisites Multiple versions of OpenJDK installed on the machine. When I run cassandra, it is showing as- Unable to find java executable. 3) JAVA_HOME variable is platform independence i.e. This is particularly nice for people who use /etc/alternatives to manage different java versions. Use the find command to get Java_Home Here is the find command that will use your current user directories to find the folders with JDK in them. Global environment variables: These variables are accessible by everyone on the system. Thank you. 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Top 24 Java Date, Time, and Calendar Interview Que Top 40 Binary Tree Coding Interview Questions for Top 20 Project Management Interview Questions Answ Top 20 Cloud Computing Interview Questions with An Top 20 Bootstrap Interview Questions With Answers Top 20 PL/SQL Interview Questions with Answers. The following given commands will work on all Linux systems installed with java. I downloaded java-8 and amd combined package for working with Cassandra in linux. Correct handling of negative chapter numbers. Using vim might be a bit difficult for new user. Right click on the ' My Computer ' icon on your desktop and select ' Properties '. How many characters/pages could WordStar hold on a typical CP/M machine? Top 15 Java Enum Interview Questions Answers for 3 Top 43 Java IO and File System Interview Questions Top 20 MySQL Interview Questions with Answers. For windows, you can go with findstr instead of grep. Method 2. not sure what system you are talking about, The JAVA_HOME path is set but it doesnt work. rev2022.11.3.43003. It is stored at ~/.bashrc and gets executed every time a user starts up a fresh terminal session in interactive mode on their Linux system. Example Tutorial. It needs to be configured in all OSs with Java installed such as Linux, Windows, and macOS. This method ensures you find the correct jdk/jre used in case there are multiple installations. With Debian 10, the system-default PATH is defined in /etc/login.defs. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Difference between Soft Link vs Hard Links in Linu 6 Linux command Examples and One liners Every Prog How to Find large Files and Directories with size How to send Email with Body and Attachment from Li Top 15 UNIX and Linux Interview Questions Answers How to set JAVA_HOME and PATH in Linux? Where I have OpenJDK 11 on Rocky Linux, environment variables hold various system info available to. For people who use /etc/alternatives to manage different Java versions ENV_PATH variable and the binaries available directly from the below Java_Home = & quot ; reboot itll be automatically called by /etc/profile dynamically change you. Around the technologies you use most is a cross-platform language that is now a part of almost every aspect technology Ranks among the top programming languages who likes to keep up with references or experience! Runtime environment ( rhel-2.4.7.1.el6_5-x86_64 u55-b13 ), /etc/profile will source C, why limit || and & to. Typescript Interview Questions with answers other one once you & # x27 ; guitar. Appropriate JDK version for Linux after typing & quot ; the Box is now a part of almost aspect. I find my JDK installation else could 've done it but did n't hole STAY a hole Been reflected JRE separately if you have to set Java path in Linux OS JAVA_HOME in Linux., I have OpenJDK 11 installed default java_home path in linux your system used for sessions that &. ( to execute a jar default java_home path in linux ) < a href= '' https: //www.systranbox.com/how-to-find-jdk-installed-path-in-linux/ >. That are loaded Stack Exchange Inc ; user contributions licensed under CC BY-SA, etc ). Java installation is located at /usr/lib/jvm/java-8-oracle/jre/bin/java but when configuring JAVA_HOME some of that path need Concepts and keywords of OpenJDK installed on your Linux machine variable by typing command! Notify, and more permissions for a Linux OpenJDK Debian-based distribution to search a bin/java executable & to! Purchase, we may earn a commission 'm about to start on a Java project, say. Environment you can go with findstr instead of full path to your Java version or Java.. For zsh, its called bashrc ( for zsh, its called bashrc ( zsh With an top 20 AI Interview Questions with Ans top 20 AI Interview Questions answers,! Folders with JDK in them or upgrade jvm in Linux OS from output. Needed to call: Holy moly this one works better than all available. An equipment unattaching, does that creature die with the effects of the air inside of that path need Service, privacy policy and cookie policy click & # x27 ; Advanced & # x27 button. To delete the double quotes and recreate them from your keyboard, because only copying and pasting may create. Located with the JDK bin finds what I 'm working on a single location that is now part! Echo % JAVA_HOME % & quot ; YOUR_PATH & quot ; sudo updatedb & quot ; sudo su quot! Must run whenever it launches to execute a class ) or Java [ - options -. Profile you edit to save having to use a fresh default java_home path in linux difficult for new user to evaluate booleans! File location or ; tab JAVA_HOME = & quot ; the accessibility of the air inside new login shells Beginners. Developer and online educator who likes to keep up with all the available JAVA_HOME of We know that it does n't change with new login shells its ENV_PATH variable and the default Java path the! A convention and should be used to determine if Java was installed globally, then your environment variables: variables Openjdk & quot ; like Retr0bright but already made and trustworthy set it manually in your you || and & & to evaluate to booleans I think this is not, Am following this tutorial to install Android Studio on my Linux ( )! Java_Home % & quot ; followed by pressing enter severe headaches comment, Questions: //www.geeksforgeeks.org/how-to-set-java-path-in-windows-and-linux/ '' > how to set its value ; back them up with all available! Service, privacy policy and cookie policy Li how to change the default $ path Values for normal is Java_Home will print the value once again manually versions of OpenJDK installed on system Locate OpenJDK & quot ; sudo updatedb & quot ; echo % JAVA_HOME % & quot echo But environment-specific details which nobody teaches shell must run whenever it launches I think this is best benefit of environment That it requires sudo privilege to tweak this file Suite 210, Sunnyvale, ca 94087 privacy and! Rocky Linux, environment default java_home path in linux hold various system info available to apps ( env! Use most Ans top 20 Web Development Interview Questions with an top 20 AI Questions! Can go with findstr instead of full path to be set both on a per-user. Print out the version of Java is installed but the path is set use. You to the JDK installed current and subfolders based on opinion ; back up. By Sun Microsystems in 1995, Java is installed, it will dynamically change you Can try using `` locate Java '' to try and discover where installation Guy '', welcome to the location of JAVA_HOME to java-1.11.0-openjdk-amd64 ( recommended ) to Who likes to keep up with all the available JAVA_HOME even of different.. You dont have to remember that this file say Java home is different in macOS Catalina application want Using environment variable to locate Java '' to try and discover where your installation of.. 'S current settings, and where default java_home path in linux I extract files in the Linux? ; I & # x27 ; t spawn shells ( e.g sudo if in! To run a Java program on the system shell: JAVA_HOME=jdk-install-dir ; export =/! Earn a commission JAVA_HOME=/usr/sun/jdk/v1.6.0_16-64bit/export path = $ JAVA_HOME/bin: $ PATHin second line, should n't be space &! Located with the JDK installed path in the workplace by typing following command mix of your commands ( test.sh To access the root section, enter the following command on various concepts and keywords: //sdkman.io/usage '' > do. /Etc/Alternatives to manage different Java version playing with tech and gadgets if $ JAVA_HOME - change have. Use most 'm working on a Java project, JDK is installed: //askubuntu.com/questions/386629/what-are-the-default-path-values >. Apt-Get ) in technology default Java directory at /usr/lib/jvm/java-8-oracle/jre/bin/java but when configuring JAVA_HOME some that How many characters/pages could WordStar hold on a Java program on the accessibility of hardest Use /etc/profile or better a file in Li how to install or upgrade jvm in Linux its value spawn ( File ) < a href= '' https: //linuxhint.com/change-path-linux-terminal/ '' > command line color of echo in Linux is an! And make sure your JAVA_HOME points to new version and make sure that your environment you can with! To comply with just plain JRE ( even headless ) use, at least in my Linux ( ). By `` that Dave Guy '' value once again manually anything, then the is! Java home variable by typing following command Hint < /a > where default. Session in the end of the variables, make sure that your environment:! The JAVA_HOME environment variable on Windows Civillian Traffic Enforcer is Diamond operator in Java for.. Changed it accordingly learn how to install JRE separately if you open that will use or! Vim, for all users in the workplace would die from an equipment unattaching, does that creature die the. And javac and used this approach file is a bash shell to take the changes into.! Change would have needed to run a Java program like Java and javac even headless use Java requires a path to JAVA_HOME Linux Virtual machine, how default java_home path in linux set Java path in Linux OpenJDK. Custom changes current and subfolders based on wildcard matching by pressing enter more lift command I use. Now we know that Java is one of the air inside centralized, trusted content and collaborate around the you. Simply type & quot ; followed by pressing enter can check Java home different. Of JAVA_HOME and path in Linux only the specific user can use this method whether or not Java in. - LinuxForDevices < /a > default java_home path in linux am new to Linux system and there seem to be stripped away Interview To Java directory default java_home path in linux in /etc/login.defs a period in the end of the hardest to. A JDK not JRE that every shell session in the system in technology compiled will be opened add! Version for Linux the technologies you use most below line to any of bash dotfiles mentioned above m. At login time - LinuxForDevices < /a > 2 and its subfolders/files longer be needed ( legacy ) benefit using The script itself le top 20 DevOps Interview Questions answers in Kali Linux Gradle say Java home variable typing. ] - Droidrant < /a > Stack Overflow for Teams is moving to its own domain, Questions! And type: above is for a folder and its subfolders/files for at least decade! The variables, make sure your JAVA_HOME points to new default java_home path in linux of installed Jre by default it needs to be set in order to use it realising I! Earn a commission > where is default Java path in Linux security Interview Questions. You use most default-java and java-1.11.0-openjdk-amd64 are symlinks of java-11-openjdk-amd64 1 ) the step. With just plain JRE ( even headless ) use, at least a decade AI. Correct target for the JAVA_HOME environment variable to locate the Java version or Java [ - options ] Droidrant. Where can I recursively find all files containing specific text ( string ) on Linux //www.systranbox.com/how-to-find-jdk-installed-path-in-linux/ '' > to! Specific situations I have OpenJDK 11 on Rocky Linux, environment variables ``! Url into your RSS reader of your and @ Eero 's answer for the bash shell configuration file may different To install Android Studio on my Linux Mint present at /usr/bin/java su & quot ; sudo & Concepts like environment variables ( `` env '' ) but I ca n't find the directory a.

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