JDK 6 - JAVA Development Environment2011/04/26 |
| Install Java SE Development Kit (JDK) |
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| [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 |
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[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
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| [3] | Create a test program and make sure if it works normally. |
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[root@www ~]# vi day.java
import java.util.Calendar;
[root@www ~]# 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); } } javac day.java # compile [root@www ~]# java day # execute 2011/4/26 20:27 |