Beginners Java Tutorials -
Installing JDK
In this beginners java Tutorial ,We will
first download, install and configure the J2SE development environment.
Downloading and Installing J2SE Software
on Windows Platform
To download J2SE for development visit http://www.java.sun.com/j2se
and download J2SE on your machine. In this tutorial we have used jdk-1_5_0_06-windows-i586.exe.The
java 2Platform or (JDK) can be downloaded from the sun. Formerly Known as the
java Development kit ,or JDK, Downloading java is really about downloading the
java 2 plat form that comes in three editions , J2ME, J2SE and J2EE , if you are
learning java, then, you should start by downloading J2EE.
Once you have downloaded the j2se on your
system, you are ready to install . In the following section we will learn how to
install jdk development environment on your machine. here are the step to
install JDK on your windows machine.
Step 1
Double click the JDK down loaded file, the
executable extracts the required Contents to the temporary directory and then License
agreement screen appears. On the license agreement page read and
accept the license and the click the next button .
Step 2
The custom setup screen appears as
follows.
Step 3
Click on the change button to change the
installation directory to "c:\jdk1.5.0_06" as shown in the
following screen.
and click on the "OK" button.
After clicking on the "OK" button installation begins:
Step 4
In the next window installer asks for the
installing the runtime as shown in the following screen:
Step 5
Click on next button install the J2SE
runtime on your machine. Next screen shows the browser selection:
Click on the "Next" button.
Step 6
Once the installation is finished it shows you the final screen indications the success.
Now you have successfully installed J2SE on your
machine. Installer shows the following final confirmation window as shown below:
Click on the "Finish" button to
exit from the installer.
Configuring the installation on
windows machine:
In this Section we will add some settings
to the windows environment so that the java compiler and runtime becomes
available for compiling and running the java application.
Go to the control panel and double click
on "System Properties" and to to the advance tab.
and add "c:\jdk1.5.0_06"
to path variable:
and click on ok button. To save the
setting click on "OK" button.
This will make the java environment
available for development. Open the dos prompt and type javac on the
console, it should show the following output:
Microsoft Windows 2000 [Version 5.00.2195]
(C) Copyright 1985-2000 Microsoft Corp.
C:\Documents and Settings\Administrator>java
Usage: java [-options] class [args...]
(to execute a class)
or java [-options] -jar jarfile [args...]
(to execute a jar file)
where options include:
-client to select the "client" VM
-server to select the "server" VM
-hotspot is a synonym for the "client" VM [deprecated]
The default VM is client.
-cp <class search path of directories and zip/jar files>
-classpath <class search path of directories and zip/jar files>
A ; separated list of directories, JAR archives,
and ZIP archives to search for class files.
-D<name>=<value>
set a system property
-verbose[:class|gc|jni]
enable verbose output
-version print product version and exit
-version:<value>
require the specified version to run
-showversion print product version and continue
-jre-restrict-search | -jre-no-restrict-search
include/exclude user private JREs in the version search
-? -help print this help message
-X print help on non-standard options
-ea[:<packagename>...|:<classname>]
-enableassertions[:<packagename>...|:<classname>]
enable assertions
-da[:<packagename>...|:<classname>]
-disableassertions[:<packagename>...|:<classname>]
disable assertions
-esa | -enablesystemassertions
enable system assertions
-dsa | -disablesystemassertions
disable system assertions
-agentlib:<libname>[=<options>]
load native agent library <libname>, e.g. -agentlib:hprof
see also, -agentlib:jdwp=help and -agentlib:hprof=help
-agentpath:<pathname>[=<options>]
load native agent library by full pathname
-javaagent:<jarpath>[=<options>]
load Java programming language agent, see java.lang.instrument
C:\Documents and Settings\Administrator> |
Now your development environment is ready
for development.
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Current Comments
10 comments so far (post your own) View All Comments Latest 10 Comments:Hi, My j2se environment is being install and I also set the path, but after program compilation as I try to execute the class, it will show the error message as "Exception in 'main' thread;java.lang.nodefinationfounderror:"
Can U please tell me how can i sove this problem as there no problem in program code..
Posted by shailendra on Wednesday, 04.23.08 @ 19:35pm | #57709
without setting classpath variable in control pannel?how can we mention in command prompt..
Posted by sandhya on Tuesday, 03.25.08 @ 12:43pm | #54243
Hi Sir,
I checked j2ee tutorials.So nice for j2ee developers.
Thanx for giving good tutorials for us.
I want to refer some java projects.How can i prepare and understand them.Giv Me suggesions.
Regards
Meher
Posted by Meher on Wednesday, 02.13.08 @ 17:29pm | #48154
How to create Jar files and War fies in java.Plz help me to study that one.Plz give exmaple with details...........
Thank you
Posted by Doshyo.r on Wednesday, 02.6.08 @ 12:38pm | #47393
how to install java on windows xp
Posted by ravi bhurke on Sunday, 01.20.08 @ 08:09am | #45654
true on XP it's a little different i think i found the right way to set up the variable but i cant run
"javac"
error msg its an unknown command
Posted by chris on Friday, 11.16.07 @ 15:30pm | #37559
for a beginner it is quite impressive. Hats off 4 u.
Posted by ALOK RANJAN UDGATA on Friday, 03.23.07 @ 12:08pm | #12543
I have to study java, thank you gor helping
Posted by oyungerel on Friday, 03.9.07 @ 12:23pm | #11230
Hi. Can u please tell me these steps for Windows XP Professional. I know that its the same thing but in the variable value field I don't see the same thing. So please tell me how to do it on windows xp pro.
Posted by game on Thursday, 12.28.06 @ 06:34am | #2131
Wonderful,Excellent,Keep it up
Posted by Manisha on Friday, 12.1.06 @ 17:09pm | #333