How to Install Oracle JDK 7 on Ubuntu 16.04 Xenial 32-64bit Linux Easy Visual-Guide

February 14, 2016 | By the+gnu+linux+evangelist.

Oracle JDK 7 Quick Start for Ubuntu 16.04 Xenial

The Tutorial shows you in Easy-Steps How to Install and Getting-Started with the Oracle-Sun Official Java SE JDK 7 for Ubuntu 16.04 Xenial Xerus LTS i386/amd64 Desktop/Server.

To SetUp Oracle JDK you will need to Use the update-alternatives Tool to Update your System Java to JDK 7.

To the How to Download and Install Oracle JDK 8+ on Ubuntu 16.04 Xenial Bottom there is a Link for Quick Start with Java JDK 7 Development and also to Install the Latest Eclipse Java IDE for Ubuntu.

The Contents and Details of How to Download and Install Oracle JDK 8+ on Ubuntu 16.04 Xenial are Expressly Essentials to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Install Oracle JDK 7 on Ubuntu 16.04 Xenial - Featured

Open a Shell Session
Ctrl+Alt+t on desktop
(Press “Enter” to Execute Commands).
Download Oracle Java SE JDK for Linux.

Oracle JDK i586/x8664 tar.gz

Select Oracle JDK 7 for Linux
Double-Click on Archive and Extract into /tmp
Or from Shell:
```
tar xvzf ~/Downloads/jdk-7*.tar.gz -C /tmp/
```
Relocate Oracle JDK 7
Login as the SuperUser
```
sudo su
```
If Got “User is Not in Sudoers file” then see: How to Enable sudo
To Make a jvm Directory Only if Not already there
(You can directly copy & paste the commands into the terminal)
```
if [ ! -d "/usr/lib/jvm" ]; then mkdir /usr/lib/jvm; fi
```
Set the root superUser as owner
```
sudo chown -R root:root /tmp/jdk1.7*
```
Then to shift the Oracle JDK 7 contents
```
mv /tmp/jdk1.7* /usr/lib/jvm/
```

Installing Oracle Java JDK 7

update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7*/bin/java 1065

update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7*/bin/javac 1065

update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.7*/bin/jar 1065

update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.7*/bin/javaws 1065

Checking or Setting the System Java Version in Use
with

update-alternatives --config java

And for the Java Compiler instead:

sudo update-alternatives --config javac

To Switch of Java Version Just Enter the Selection Number on First, Column. :)
Last Achieve the SuperUser session:

exit

Setting JAVA_HOME User Environment Variable (Optional).
```
su [myUserName]
```
Or simply:
```
exit
```
And Edit the Bash environment Configuration file
```
nano $HOME/.bashrc
```
Append:
```
export JAVA_HOME=/usr/lib/jvm/jdk1.7[uX]
```
Replace the [uX] Looking for the Installed Java 7 Version with:
```
ls /usr/lib/jvm/
```
Ctr+x to Save & Exit from nano Editor :)
Load New Bash Config:
```
bash
```
Testing New Java JDK 7 Installation:
```
java -version
```
Getting-Started with Java Development.

Getting-Started Quickly with JDK

How-to
Getting-Started Quickly with Java JDK Development

Now Thanks to Oracle-Sun Corporation you are able to Successfully Start with Java JDK Use & Development.

Java 7 IDEs Installation on Ubuntu

How to Install Eclipse for Java 7 Development on Ubuntu: Installing Eclipse IDE for Java 7 on Ubuntu.

How to Install Netbeans 8 IDE for Java 7 on Ubuntu: Installing NetBeans IDE for Java 7 on Ubuntu.

How to Install IntelliJ IDEA 2024 for Java 7 on Ubuntu: Installing IntelliJ IDEA for Java 7 on Ubuntu.