Java Environment Setup



Java





Before
proceeding further, it is important to set up the Java environment correctly. Install
the JDK downloaded from the Oracle website. It is available free of cost.


Once
you installed Java on your machine, you would need to set environment variables
to point to correct installation directories:



Setting up the path for Windows 7/8/8.1/10:



Assuming
you have installed Java in c:\Program Files (x86)\java\jdk  directory:


·        
Right-click
on 'Computer' and select 'Properties'.


·        
Click
‘Advanced System Settings’


·        
Click
on the 'Environment variables' button under the 'Advanced' tab.


·        
Now,
add (remember ADD not Replace) 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 'C:\WINDOWS\SYSTEM32;c:\Program
Files (x86)\java\jdk\bin'.






Setting up the path for Windows 2000/XP:



Assuming
you have installed Java in c:\Program Files\java\jdk  directory:


·        
Right-click
on 'My Computer' and select 'Properties'.


·        
Click
on the 'Environment variables' button under the 'Advanced' tab.


·        
Now,
add (remember ADD not Replace) 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 'C:\WINDOWS\SYSTEM32;c:\Program
Files\java\jdk\bin'.



Setting up the path for windows
95/98/ME:



Assuming
you have installed Java in c:\Program Files\java\jdk directory:


·        
Edit
the 'C:\autoexec.bat' file and add the following line at the end:


'SET
PATH=%PATH%;C:\Program Files\java\jdk\bin'



Setting up the path for Linux, UNIX,
Solaris, FreeBSD:



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'




















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