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DOWNLOAD JAVA PACKAGE FROM – https://jdk.java.net/archive/
Download and Install JDK/JRE 7 in Centos & RHEL
$ su -c "yum install java-1.7.0-openjdk" # JRE Version
$ su -c "yum install java-1.7.0-openjdk-devel" # JDK version
Download and Install JDK/JRE 8 in Centos & RHEL
$ su -c "yum install java-1.8.0-openjdk" # JRE Version
$ su -c "yum install java-1.8.0-openjdk-devel" # JDK version
Download and Install JDK/JRE 9 in Centos & RHEL
$ su -c "yum install java-1.9.0-openjdk" # JRE Version
$ su -c "yum install java-1.9.0-openjdk-devel" # JDK version
Download and Install JDK/JRE 7 in Ubuntu
$ sudo apt-get install openjdk-7-jre # JRE Version
$ sudo apt-get install openjdk-7-jdk # JDK version
Download and Install JDK/JRE 8 in Ubuntu
sudo apt-get install openjdk-8-jre # JRE Version
sudo apt-get install openjdk-8-jdk # JDK version
Download and Install JDK/JRE 9 in Ubuntu
sudo apt-get install openjdk-9-jre # JRE Version
sudo apt-get install openjdk-9-jdk # JDK version
Download and Install JDK/JRE 11 in RHEL/CENTOS
# Install New Version
$ yum install java-11-openjdk-devel
Download and Install JDK/JRE 11 in Ubuntu
$ sudo apt-get update
$ sudo apt-get install openjdk-11-jdk -y
$ apt install openjdk-11-jdk-headless -y
How to Remove Java Installed?
# Remove old version
$ java -version
$ yum list installed | grep java
$ yum remove java-1.7.0-openjdk.x86_64
$ yum remove java-1.7.0-openjdk-headless.x86_64
$ yum remove java-1.8.0-openjdk.x86_64
$ yum list installed | grep java
$ yum remove java-1.8.0-openjdk-headless.x86_64
$ java -version
How to download Open Java Packages in Linux?
Location - https://openjdk.java.net/install/
Oracle's OpenJDK JDK binaries for Windows, macOS, and Linux are available on release-specific pages of jdk.java.net as .tar.gz or .zip archives.
As an example, the archives for JDK 13 may be found on jdk.java.net/13 and may be extracted on the command line using following depending on the archive type.
$ tar xvf openjdk-13*_bin.tar.gz
or
$ unzip openjdk-13*_bin.zip
How to set JAVA HOME in Linux System?
$ export JAVA_HOME=/opt/jdk1.8.0_144/
$ export PATH=/opt/jdk1.8.0_144/bin:$PATH;
How to set JAVA HOME env in Windows?
$ set JAVA_HOME "C:\Program Files\Java\jdk1.8.0"
$ set PATH "%PATH%;%JAVA_HOME%\bin";
$ setx JAVA_HOME "C:\Program Files\Java\jdk1.8.0"
$ setx PATH "%PATH%;%JAVA_HOME%\bin";
Command to set default Java version in Linux?
$ sudo alternatives --config java
There are 2 programs which provide 'java'.
Selection Command
-----------------------------------------------
*+ 1 java-1.8.0-openjdk.x86_64 (/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.332.b09-1.el7_9.x86_64/jre/bin/java)
2 java-11-openjdk.x86_64 (/usr/lib/jvm/java-11-openjdk-11.0.15.0.9-2.el7_9.x86_64/bin/java)
Enter to keep the current selection[+], or type selection number: 2
[root@ip-10-157-160-63 jenkins]# java -version
Also, these commands are helpful
$ sudo update-alternatives --config java
$ sudo update-alternatives --config javac
$ sudo update-alternatives --config java_home
How to download Java packages from Oracle Website using Command line
$ wget –no-cookies –no-check-certificate –header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u151-b12/e758a0de34e24606bca991d704f6dcbf/jdk-8u151-linux-x64.rpm"
$ wget -c –header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.rpm
curl -v -j -k -L -H "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.rpm > jdk-8u112-linux-x64.rpm
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