This section guides you on how to download and set up Java on your machine. The following are the steps to set up the environment. Let’s start learning Install JDK and set path in Java.
How to install JDK
You should download Java SE on your computer. You can download a version based on your operating system.
How to set path in Java
Then you should be set path in Java on your device.
Windows users
1. Run the .exe file and follow the instructions to install Java on your Windows computer.
2. Then go to Control Panel -> System and Security -> System -> Advanced System Setting -> Advanced click on Environment Variables as highlighted below.

3. Then select the “Path” variable and click on Edit button as highlighted below.

4. Then click the New and then add the path where java is installed. ( By default, java is installed in C:\Program Files\Java\jdk\bin folder OR C:\Program Files(x86)\Java\jdk\bin).
5. Click OK for save settings.
Linux users
1. Go to Application -> Accessories -> Terminal.
2. Type sudo apt-get install openjdk-8-jdk
3. Terminal using to your installation path export JAVA_HOME = /usr/lib/jvm/java-8-openjdk
4. Terminal using to your installation path export PATH = $PATH:/usr/lib/jvm/java-8-openjdk/bin
How to check whether Java installation is correct?
Open command prompt(cmd) and type javac-version
If the java installation correctly, you shall see this java version on your command prompt.
How to check whether set path in Java is correct?
Open command prompt(cmd) and type javac
Mac OS users
- Open Terminal, type the following command.
export JAVA_HOME=/Library/Java/Home
- Next, Type the following command on terminal.
echo $JAVA_HOME
This MAC OS set up the path temporarily. It means when you close the command prompt or terminal, the path settings will be lost and you will have to set the path.
Java is the most popular programming language and widely-used programming language for many years. You can free learning Java programming by following our Java articles sequentially.
Next chapter will teach you how to write and run your first Java program.
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