Installing JDK
From Initq
Where to get it
Best link to get JDK from is
From the above link you may get any previous version also.
How to Install
we normally download jdk-6u15-linux-i586.bin and put it in /opt folder. That is where we unzip it.
qais@qais:/opt$ chmod +x jdk-6u15-linux-i586.bin qais@qais:/opt$ ./jdk-6u15-linux-i586.bin qais@qais:/opt$ cd jdk1.6.0_15/ qais@qais:/opt/jdk1.6.0_15$ ls bin include README.html register_zh_CN.html COPYRIGHT jre README_ja.html sample db lib README_zh_CN.html src.zip demo LICENSE register.html THIRDPARTYLICENSEREADME.txt help man register_ja.html qais@qais:/opt/jdk1.6.0_15$ mkdir help qais@qais:/opt/jdk1.6.0_15$ cp src.zip help/ qais@qais:/opt/jdk1.6.0_15/help$ /opt/jdk1.6.0_15/bin/jar -xvf src.zip qais@qais:/opt/jdk1.6.0_15/help$ mkdir test
We created a test directory to write our test code. You may create your sample code directory anywhere you like.
Directories
- jdk
- (main dir)
- bin
- (Compiler Interpreter and other executables)
- demo
- (Sub directories containing demo code)
- include
- (C header files for native code)
- include-old
- (not there in new jdk)
- jre
- (Java runtime)
- jre/bin
- (executable for runtime)
- jre/bin/classic
- (JVM DLL)
- jre/bin/hotspot
- (Hotspot JVM DLL)
- jre/lib
- (Class libraries)
- jre/lib/ext
- (Jar files containing extensions)
- jre/lib/security
- jre/lib/applet
- lib
- (Files used by executables)