how-do-i-install-oracle-java-jdk-7(zz)
2011-12-26 11:05
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Install the JDK on ubuntu
http://askubuntu.com/questions/55848/how-do-i-install-oracle-java-jdk-7Download he 32bit or 64bit Linux "compressed binary file" - it has a ".tar.gz" file extension i.e. "[java-version]-i586.tar.gz" for 32bit and "[java-version]-x64.tar.gz" for 64bit
Uncompress it
tar -xvf jdk-7u2-linux-i586.tar.gz(32bit)
tar -xvf jdk-7u2-linux-x64.tar.gz(64bit)
JDK 7 package is extracted into ./jdk1.7.0_02 directory. - Now move the JDK 7 directory to
/usr/lib
sudo mv ./jdk1.7.0_02 /usr/lib/jvm/jdk1.7.0
Now run
sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.7.0/bin/java" 1 sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.7.0/bin/javac" 1 sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.7.0/bin/javaws" 1
Run
sudo update-alternatives --config java
You will see output similar one below - choose the number of jdk1.7.0 - for example
3in this list:
$sudo update-alternatives –config java There are 3 choices for the alternative java (providing /usr/bin/java). Selection Path Priority Status ———————————————————— * 0 /usr/lib/jvm/java-6-openjdk/jre/bin/java 1061 auto mode 1 /usr/lib/jvm/java-6-openjdk/jre/bin/java 1061 manual mode 2 /usr/lib/jvm/java-6-sun/jre/bin/java 63 manual mode 3 /usr/lib/jvm/jdk1.7.0/jre/bin/java 3 manual mode Press enter to keep the current choice[*], or type selection number: 3 update-alternatives: using /usr/lib/jvm/jdk1.7.0/jre/bin/java to provide /usr/bin/java (java) in manual mode.
Check the version of you new JDK 7 installation:
java -version
java version “1.7.0” Java(TM) SE Runtime Environment (build 1.7.0-b147) Java HotSpot(TM) Client VM (build 21.0-b17, mixed mode)
Repeat the above for:
sudo update-alternatives --config javac sudo update-alternatives --config javaws
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