Java - Environment Setup
Java - Environment Setup
In this chapter, we will discuss on the
different aspects of setting up a congenial environment for Java.
Local Environment Setup
If you are still willing to set up your
environment for Java programming language, then this section guides you on how
to download and set up Java on your machine. Following are the steps to set up
the environment.
Java SE is freely available from the link Download Java. You can download a version based on your operating
system.
Follow the instructions to download Java and
run the .exe to install Java on your machine. Once you installed Java
on your machine, you will need to set environment variables to point to correct
installation directories −
Setting
Up the Path for Windows
Assuming you have installed Java in c:\Program
Files\java\jdk directory −
·
Right-click on 'My
Computer' and select 'Properties'.
·
Click the 'Environment
variables' button under the 'Advanced' tab.
·
Now, alter the 'Path'
variable so that it also contains the path to the Java executable. Example, if
the path is currently set to 'C:\WINDOWS\SYSTEM32', then change your path to
read 'C:\WINDOWS\SYSTEM32;c:\Program Files\java\jdk\bin'.
Environment variable PATH should be set to
point to where the Java binaries have been installed. Refer to your shell
documentation, if you have trouble doing this.
Example, if you use bash as your
shell, then you would add the following line to the end of your '.bashrc:
export PATH = /path/to/java:$PATH'
Popular
Java Editors
To write your Java programs, you will need a
text editor. There are even more sophisticated IDEs available in the market.
But for now, you can consider one of the following −
· Notepad − On Windows machine, you can use any simple
text editor like Notepad (Recommended for this tutorial), TextPad.
· Netbeans − A Java IDE that is open-source and free
which can be downloaded from https://www.netbeans.org/index.html.
· Eclipse − A Java IDE developed by the eclipse
open-source community and can be downloaded from https://www.eclipse.org/.
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