It is used for various purposes like developing web applications, android applications, games development and much more. So, let’s move towards the installation of Java 14 on our CentOS system.

Here we’ll see the two methods to install Java 14 on CentOS 8 you can choose your preferred one for an easy installation.

Check out this

How to Install Java 14 on Ubuntu / Debian.

Step 1: Installing Java 14 on CentOS 8

Go to the official release page of JDK 14 for downloading the latest archive or use the below command to download it using the terminal.

sudo yum -y install curl
curl -O https://download.java.net/java/GA/jdk14/076bab302c7b4508975440c56f6cc26a/36/GPL/openjdk-14_linux-x64_bin.tar.gz

Output:

[sabi@localhost ~]$ curl -O https://download.java.net/java/GA/jdk14/076bab302c7b4508975440c56f6cc26a/36/GPL/openjdk-14_linux-x64_bin.tar.gz
   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                  Dload  Upload   Total   Spent    Left  Speed
 100  189M  100  189M    0     0   412k      0  0:07:50  0:07:50 --:--:--  563k

Now, extract the above package

tar xvf openjdk-14_linux-x64_bin.tar.gz

Then move the output to the /opt/ directory

sudo mv jdk-14 /opt/

And set up the Java Environment variables.

[sabi@localhost ~]$ sudo tee /etc/profile.d/jdk14.sh <<EOF
  > export JAVA_HOME=/opt/jdk-14
  > export PATH=\$PATH:\$JAVA_HOME/bin
  > EOF
   export JAVA_HOME=/opt/jdk-14
   export PATH=$PATH:$JAVA_HOME/bin 

Now, source the file

source /etc/profile.d/jdk14.sh

Verify the installation using

$ echo $JAVA_HOME
 /opt/jdk-14
 $ java -version
 openjdk version "14" 2020-03-30
 OpenJDK Runtime Environment (build 14+36-1461)
 OpenJDK 64-Bit Server VM (build 14+36-1461, mixed mode, sharing)

Step 2: Installing Java SE Development Kit 14 on CentOS 8

As in one step we’ve installed the Java 14 using curl now we’ll install the Java SE Development Kit 14 on CentOS 8. For this you can go to the Java page and download the RPM package or by running the below command.

curl -LO -H "Cookie: oraclelicense=accept-securebackup-cookie" \
"https://download.oracle.com/otn-pub/java/jdk/14+36/076bab302c7b4508975440c56f6cc26a/jdk-14_linux-x64_bin.rpm"

Once, the package is downloaded, install it with the help of yum or rpm command.

$ sudo rpm -Uvh jdk-14_linux-x64_bin.rpm
 warning: jdk-14_linux-x64_bin.rpm: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
 Verifying…                                                            (10################################# [100%]
 Preparing…                                                            (10################################# [100%]
 Updating / installing…
    1:jdk-14-2000:14-ga                ################################# [100%]

Verify the installation of Java 14 by running

java -version
java version "14" 2020-03-30
 Java(TM) SE Runtime Environment (build 14+36-1461)
 Java HotSpot(TM) 64-Bit Server VM (build 14+36-1461, mixed mode, sharing)

Now, set up the Java environment

cat <<EOF | sudo tee /etc/profile.d/jdk14.sh
 export JAVA_HOME=/usr/java/default
 export PATH=\$PATH:\$JAVA_HOME/bin
 EOF

Then source the file

source /etc/profile.d/jdk14.sh

Step 3: Set Java Version as Default Version

If you’ve installed multiple java version, you can configure them to choose which one is default.

sudo alternatives --config java

So, this is how you can install Java 14 on CentOS8.

The post How To Install Java 14 on CentOS 8 / RHEL 8 appeared first on Linux Windows and android Tutorials.