JDK : Installation

DOWNLOAD: http://java.sun.com/javase/downloads/index.jsp

ls -la
chmod 755 jdk-6u2-ea-bin-b02-linux-i586-12_apr_2007-rpm.bin
./jdk-6u2-ea-bin-b02-linux-i586-12_apr_2007-rpm.bin
java -version
updatedb;locate javac |grep bin
alternatives –install /usr/bin/java java /usr/java/jdk1.6.0_02/bin/java 100
alternatives –install /usr/bin/jar jar /usr/java/jdk1.6.0_02/bin/jar 100
alternatives –install /usr/bin/javac javac /usr/java/jdk1.6.0_02/bin/javac 100
/usr/sbin/alternatives –config java
/usr/sbin/alternatives –config java

java -version

Change the path as per the JDK version in alternatives command like

alternatives –install /usr/bin/java java /usr/java/jdk1.6.0_02/bin/java 100
alternatives –install /usr/bin/jar jar /usr/java/jdk1.6.0_02/bin/jar 100
alternatives –install /usr/bin/javac javac /usr/java/jdk1.6.0_02/bin/javac 100

Change it to

alternatives –install /usr/bin/java java /usr/java/jdk1.6.0_04/bin/java 100
alternatives –install /usr/bin/jar jar /usr/java/jdk1.6.0_04/bin/jar 100
alternatives –install /usr/bin/javac javac /usr/java/jdk1.6.0_04/bin/javac 100

FOR java version “1.6.0_04 OR as per the version