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Download jdk

JDK is a software development kit of Java language, which is mainly used for java applications on mobile devices and embedded devices. JDK is the core of the whole java development, which includes the running environment of JAVA (JVM+Java system class library) and JAVA tools.

First open the official website of JDK (click the open link), find the JDK in JAVA SE 7u71/72, and select Download

Log in to Linux and switch to root user

Su root acquires root user rights, and the current working directory remains unchanged (root password is required)

Or

Sudo-I does not need a root password to switch directly to root (current user password is required)

Third, establish the java installation directory under the usr directory

Cd / usrmkdir java

Copy jdk-8u60-linux-x64.tar.gz to the java directory

Cp / mnt/hgfs/linux/jdk-8u60-linux-x64.tar.gz / usr/java/

Decompress jdk to the current directory

Tar-zxvf jdk-8u60-linux-x64.tar.gz

Get the folder jdk1.8.0_60

Set up a link for him after installation to save the length of the directory

Ln-s / usr/java/jdk1.8.0_60/ / usr/jdk

7. Edit configuration files and configure environment variables

Vim / etc/profile

Add the following: JAVA_HOME according to the actual directory

JAVA_HOME=/usr/java/jdk1.8.0_60CLASSPATH=$JAVA_HOME/lib/PATH=$PATH:$JAVA_HOME/binexport PATH JAVA_HOME CLASSPATH

Restart or execute the command: source / etc/profile

Sudo shutdown-r now

9. Check the installation

Java-versionjava version "1.8.0mm 60" Java (TM) SE Runtime Environment (build 1.8.0_60-b27) Java HotSpot (TM) Client VM (build 25.60-b23, mixed mode)

The above are the details of how to install jdk in linux, please pay attention to other related articles!

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