Install java in ubuntu

[SoftWore]

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Hi
I have Ubuntu installed on my PC. I am trying to install java on ubuntu but I can't get it right. So, how to install java on ubuntu. Please explain in details as I an new to Ubuntu.

Below described is one of the way to install java in ubuntu.
Follow these steps

1) Type the command to get the latest version of java

apt-cache search jdk

2) Install Java jdk and jre with apt-get install command

apt-get install sun-java6-jdk sun-java6-jre

3) Ubuntu will auto detect the necessary files and you will see the following on your monitor screen:

Do you want to continue [Y/n]? y
Get:1 http://my.archive.ubuntu.com hardy/main java-common 0.28ubuntu3 [78.2kB]
Get:2 http://my.archive.ubuntu.com hardy/multiverse sun-java6-jre 6-06-0ubuntu1 [6334kB]
Get:3 http://my.archive.ubuntu.com hardy/main odbcinst1debian1 2.2.11-16build1 [66.2kB]
Get:4 http://my.archive.ubuntu.com hardy/main unixodbc 2.2.11-16build1 [289kB]
Get:5 http://my.archive.ubuntu.com hardy/multiverse sun-java6-bin 6-06-0ubuntu1 [27.3MB]
Get:6 http://my.archive.ubuntu.com hardy/multiverse sun-java6-jdk 6-06-0ubuntu1 [9625kB]
85% [6 sun-java6-jdk 3208002/9625kB 33%]

4) After installation is completed jdk and jre will be located at /usr/lib/jvm/java-6-sun-1.6.0.06
5) For a shortcut access ubuntu creates a symbolic link to /usr/bin

[SalVatore]

You can also download Java Binary Package and install it. First download the java .bin file for internet, it is easily available. After downloading is completed copy the file to /opt and issue the following command

sudo sh ./jre-6u1-linux-i586-rpm.bin
sudo update-alternatives --config java
(And pick the one you just installed as your default version.)
java -version

If any problem feel free to post again.