I do a lot of programming in Ubuntu Linux. A couple months ago I started to learn JAVA, previously I have used to program in C/C++ which fortunately Ubuntu is already built in GCC (GNU C Compiler) so everything works out of the box. Unfortunately the case is not the same as JAVA, Ubuntu is not shipped with Java JDK/JRE. So, you must install everything by yourself.
I found out one of my favourite IDE in Windows that support JAVA programming is also available on Linux, it is NetBeans. Netbeans is free Integrated Development Environment (IDE) that supports a lot of languages, including Java, JavaScript, PHP, Python, Ruby, C/C++ and more. NetBeans is written in Java and runs with Java Virtual Machine (JVM) installed. For Java development functionality you must install JDK first, but for other languages you can just install JVM.
Install JDK/JRE Ubuntu Linux
Okay, let’s start with installing JDK and JRE. There are two ways Installing JDK and JRE, the easy way is from Synaptic Package Manager and the hard way is install from .bin file. Installing from Synaptic Package Manager is the best way when you have internet connection or any access to repository (DVD, server, etc). But if your computer don’t have any access to repository server, you can download .bin file from Sun Website from other computer and install it on the computer that you want.
Option 1
First lets start with the easy way, install from Synaptic. Make sure you have the Multiverse repository enabled.
System > Administration > Software Source > Select Multisource > Close
Open your terminal and type the following command to install JDK and JRE
$ sudo apt-get install sun-java6-bin sun-java6-jre sun-java6-jdk
Wait till it download and install, depend on your connection it should take several minutes.
Make sure the correct version is used by using this command
$ sudo update-java-alternatives –s java-6-sun
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Option 2
For those who want to install the hard way, first download JDK and JRE from Sun. You will get .bin file.
Open your terminal, then go to directory where the download file is, and make sure the file is executable.
cd /directory/where/you/download/file
sudo chmod +x filename
Install the file with this command
sudo ./filename
Make sure the correct version is used by using this command
$ sudo update-java-alternatives –s java-6-sun
Install Netbeans Ubuntu Linux
Option 1
Download Netbeans from here and save it to your computer. Let’s say the file is called “netbeans-6.8-ml-linux.sh”. Run your terminal and change directory to where you download the file.
$ cd /direcory/where/you/download/file
Make sure the file is present by using ls command. Finally execute the following command
$ sudo ./netbeans-6.8-ml-linux
After completing command, you will see installer that will install NetBeans into /opt directory. Finish!.
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Option 2
Alternatively you can also install using Synaptic Package Manager, just execute the following command.
$sudo apt-get install netbeans
Finish!.
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