Install Oracle JDK in CentOS 7

Install Oracle JDK in CentOS 7

Install Oracle JDK in CentOS 7 and check whether JDK is provided in Linux. If openJDK is available, uninstall it.

Java-version

Rpm-qa | grep-E '^ open [jre | jdk] | j [re | dk]'

Uninstall openjdk

Su root
Yum-y remove java java-1.7.0-openjdk

Download oracle jdk

Wget -- no-cookies -- header "Cookie: Maid = accept-securebackup-cookie;" http://download.oracle.com/otn-pub/java/jdk/8u77-b03/jdk-8u77-linux-x64.tar.gz

Decompress jdk

Tar-xzvf jdk-8u77-linux-x64.tar.gz

Move jdk to/usr/local to establish a soft connection

Mv jdk1.8.0 _ 77 // usr/local
Ln-s/usr/local/jdk1.8.0 _ 77 // usr/local/jdk

Edit/etc/profile

Vim/etc/profile

Add jdk Configuration

JAVA_HOME =/usr/local/jdk
PATH =$ {PATH }:$ {JAVA_HOME}/bin
Export JAVA_HOME PATH

Source

Source/etc/profile

Check whether jdk is successfully installed.

Java-version

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