Install JDK & Netbeans on Linux/Ubuntu

Installation process of JDK & Netbeans on Linux/Ubuntu

At first download JDK-7u**-linux-i586.tar.gz from Oracle JDK Download Page & Netbeans-V**-linux.sh from Netbeans Download Page.
Keep the download files on desktop. First install JDK and then Netbeans. Let's see the installation process.

   

• Installation process of JDK

1. Go to Dash-Home & search Terminal or Run Terminal by pressing CTRL + ALT + T. Type the below command to extract JDK into Home Folder.

tar -xvf ~/Desktop/jdk-7u4-linux-i586.tar.gz

N.B. - put the name of your downloaded file after ***Desktop/ . e.g- if your downloaded version of JDK is jdk-7u11-linux-i586.tar.gz then your command will be- tar -xvf ~/Desktop/jdk-7u11-linux-i586.tar.gz


2. Now goto the Home Folder directory. Check the extracted JDK folder name. Take the 1st portion before underscore "_" to perform the next step.

Here is the command below-

sudo mkdir -p /usr/lib/jvm/jdk1.7.0

Remember the directory Name
You may asked for root password. Type your password & hit Enter.

3. Type following command in Terminal to move files.

sudo mv jdk1.7.0_04/* /usr/lib/jvm/jdk1.7.0/

4. Type below commands one after one to complete the installation process of JDK.

sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.7.0/bin/java" 1

sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.7.0/bin/javac" 1

sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.7.0/bin/javaws" 1 

5. After successfully installed JDK, check the version by the following command.

java -version

• Installation process of Netbeans

1. Type the below command to change the directory to Desktop.

cd Desktop

2. Change the directory permission with below command.

sudo chmod +x netbeans-*

If you're asking for root password, enter the password & hit Enter.

3. Type the below command & the Netbeans installation interface will be appeared. Do next>next>next :D to complete the installation of Netbeans.

Thats it! :)

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