Accounts-> Manage Accounts-> Add->
Basic Tab:
Login Options Part:
Protocol: Office Communicator
Username: em@il.co
Login: (optional) btctr\okinik>, okinik>, em@il.co>
Password: ***
Accounts-> Enable-> oguzhan.kinik
Directory Operations
Create new directory “Java” in Home (for hosting Maven, Apache Tomcat, IntelliJ, extract to here)
Create new directory “Projects” in Home
Create new directory “Files” in Home/Java (for setups)
Create new directory “Test” in Home/Projects
Java
Check Java installed or not:
java -version -> if output is “The program java can be found in the following packages” or “Command ‘java’ not found, but can be installed with:”, Java not installed yet.
Java (For OpenJDK)
JDK: for compile Java application, (Apache Ant, Apache Maven, Eclipse or IntelliJ IDEA)
sudo apt-get update -> update/index package
apt-cache search jdk -> list jdk package
sudo apt-get install openjdk-8-jdk or sudo apt-get install default-jdk
Java (For Oracle JDK)
sudo apt-get update
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update -> update/index package
sudo apt-get install oracle-java9-installer
sudo update-alternatives –config java
(optional) sudo update-alternatives –config javac
Java Verify to install (For both OpenJdk,Oracle)
– Is installed to ensure that, look at this path “/usr/lib/jvm/java-8-openjdk-amd64” is have? or “/usr/lib/jvm/java-8-oracle”
and
– create java class then run java class file on Terminal
FirstJava.txt
class FirstJava {
public static void main(String[] args) {
System.out.println(“Hello World”);
}
}
rename FirstJava.txt to FirstJava.java
run this command on terminal javac.exe FirstJava.java
to be generated FirstJava.class on the same folder
run this command on terminal
java.exe -cp . FirstJava
or
java.exe FirstJava
Out must be like this
Hello World
and
– run in terminal “javac -version” command without error
Java Settings (For both OpenJDK,Oracle)
For OpenJDK
Run this command `export JAVA_HOME=”/usr/lib/jvm/java-8-openjdk-amd64″ on Terminal
oguzhankinik@oguzkinikcomp:~$ echo $JAVA_HOME
oguzhankinik@oguzkinikcomp:~$ export JAVA_HOME=”/usr/lib/jvm/java-8-openjdk-amd64/”
oguzhankinik@oguzkinikcomp:~$ echo $JAVA_HOME
/usr/lib/jvm/java-8-openjdk-amd64/
oguzhankinik@oguzkinikcomp:~$
or
For OpenJDK
before must be like this:
oguzhankinik@oguzkinikcomp:/etc$ tail environment
PATH=”/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games”
sudo nano /etc/environment
JAVA_HOME=”YOUR_PATH” (/usr/lib/jvm/java-8-openjdk-amd64)
source /etc/environment -> reload file
echo $JAVA_HOME -> output verify for test
After this operation must be like this:
oguzhankinik@oguzkinikcomp:/etc$ tail environment
PATH=”/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games”
JAVA_HOME=”/usr/lib/jvm/java-8-openjdk-amd64″
or
For OracleJDK
export JAVA_HOME=/usr/lib/jvm/java-8-oracle-jdk
Java Optional (For both OpenJdk,Oracle)
export PATH=$PATH:$JAVA_HOME/bin
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