Ubuntu16.04 Install jdk-8u144-linux-x64.tar.gz

Open Terminal:

Ctrl+alt+t

Download JDK:

wget http://download.oracle.com/otn-pub/java/jdk/8u144-b01/090f390dda5b47b9b721c7dfaa008135/jdk-8u144-linux-x64.tar.gz

Decompression jdk-8u144-linux-x64.tar.gz:

Tar zxvf jdk-8u144-linux-x64.tar.gz

cut to the JDK directory:

MV jdk-8u144-linux-x64 /data/service/jdk/

Set the Java environment variable (using the VIM command):

Vim/etc/profile

Add 4 rows of variables after the open vim:
Export Java_home=/data/service/jdk
Export JRE_HOME=${JAVA_HOME}/JRE
Export Classpath=.:${java_home}/lib:${jre_home}/lib
Export Path=${java_home}/bin: $PATH

re-configuration:

vim/etc/profile.d/java-env.sh

　　Add 2 rows of variables to the open vim:

Export JAVA_HOME=/DATA/SERVICE/JDK
Export path= $PATH: $JAVA _home/bin

Execution Environment variables:

Source/etc/profile

　　Source /etc/profile.d/java-env.sh

To view the JDK:

Echo $JAVA _home

Echo $PATH

To detect the JDK and view the JDK version:

Java-version

then create a Helloword.java file at random to test whether the JDK was installed successfully:

public void Helloword {
public static void Main (string[] args) {
System.out.println ("Helloword");
}
}

then enter in the terminal:

cd/media/user name/partition/
Javac Helloword.java will generate the Hellword.class file in the/partition drive letter.
Java Helloword If the terminal displays Helloword then install the JDK successfully!.

Ubuntu16.04 Install jdk-8u144-linux-x64.tar.gz