Why there is no .deb for Oracle Java on Oracle's website? [duplicate]

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http://askubuntu.com – This question already has an answer here: How can I install Sun/Oracle's proprietary Java 6/7 JRE or JDK? 21 answers I want to use Oracle Java (JDK) 7u40 instead of openjdk-7 on my Ubuntu 12.04. First, I tried "aptitude search java oracle" and I didn't find it. So I went to Oracle's website to find a .deb. Again, it was a fail, I only found a .tar.gz. I could have untar/ungzip this file (in /opt/java for example) but the (HowTos)