Scientific Linux 6
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JDK 6 - JAVA Development Environment
2011/04/26
  Install Java SE Development Kit (JDK)

[1] Go Sun download site and Click "JDK 6 Update *" and next, select "linux", then you can download JDK. Next, upload it on your server by FTP and so on.

[2] Install JDK
[root@www ~]#
chmod 700 jdk-6u24-linux-x64-rpm.bin

[root@www ~]#
./jdk-6u24-linux-x64-rpm.bin


Unpacking...
Checksumming...
Extracting...
UnZipSFX 5.50 of 17 February 2002, by Info-ZIP (Zip-Bugs@lists.wku.edu).
  inflating: jdk-6u24-linux-amd64.rpm
  inflating: sun-javadb-common-10.6.2-1.1.i386.rpm
  inflating: sun-javadb-core-10.6.2-1.1.i386.rpm
  inflating: sun-javadb-client-10.6.2-1.1.i386.rpm
  inflating: sun-javadb-demo-10.6.2-1.1.i386.rpm
  inflating: sun-javadb-docs-10.6.2-1.1.i386.rpm
  inflating: sun-javadb-javadoc-10.6.2-1.1.i386.rpm
Preparing...
########################################### [100%]

  1:jdk
########################################### [100%]

Unpacking JAR files...
rt.jar...

jsse.jar...

charsets.jar...

tools.jar...

localedata.jar...

plugin.jar...

javaws.jar...

deploy.jar...

Installing JavaDB
Preparing...
########################################### [100%]

  1:sun-javadb-common
########################################### [ 17%]

  2:sun-javadb-core
########################################### [ 33%]

  3:sun-javadb-client
########################################### [ 50%]

  4:sun-javadb-demo
########################################### [ 67%]

  5:sun-javadb-docs
########################################### [ 83%]

  6:sun-javadb-javadoc
########################################### [100%]


Java(TM) SE Development Kit 6 successfully installed.

Product Registration is FREE and includes many benefits:
* Notification of new versions, patches, and updates
* Special offers on Oracle products, services and training
* Access to early releases and documentation

Product and system data will be collected. If your configuration
supports a browser, the JDK Product Registration form will
be presented. If you do not register, none of this information
will be saved. You may also register your JDK later by
opening the register.html file (located in the JDK installation
directory) in a browser.

For more information on what data Registration collects and
how it is managed and used, see:
http://java.sun.com/javase/registration/JDKRegistrationPrivacy.html

Press Enter to continue.....

Done.
[root@www ~]#
vi /etc/profile


# add at the last line

export JAVA_HOME=/usr/java/default
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=.:$JAVA_HOME/jre/lib:$JAVA_HOME/lib:$JAVA_HOME/lib/tools.jar


[root@www ~]#
source /etc/profile
[3] Create a test program and make sure if it works normally.
[root@www ~]#
vi day.java


import java.util.Calendar;

class day {
   public static void main(String[] args) {
       Calendar cal = Calendar.getInstance();
       int year = cal.get(Calendar.YEAR);
       int month = cal.get(Calendar.MONTH) + 1;
       int day = cal.get(Calendar.DATE);
       int hour = cal.get(Calendar.HOUR_OF_DAY);
       int minute = cal.get(Calendar.MINUTE);
       System.out.println(year + "/" + month + "/" + day + " " + hour + ":" + minute);
   }
}

[root@www ~]#
javac day.java
# compile

[root@www ~]#
java day
# execute

2011/4/26 20:27
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