Ubuntu : Ubuntu 16.04 Cannot Install oracle-java7-installer

Ubuntu : Ubuntu 16.04 Cannot Install oracle-java7-installer
Error Show : download failed Oracle JDK 7 is NOT installed. dpkg: error processing package oracle-java7-installer (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: oracle-java7-installer E: Sub-process /usr/bin/dpkg returned an error code (1)

1. sudo rm /var/lib/dpkg/info/oracle-java7-installer*
2. sudo apt-get purge oracle-java7-installer*
3. sudo rm /etc/apt/sources.list.d/*java*
4. sudo apt-get update
5. sudo add-apt-repository ppa:webupd8team/java
6. sudo apt-get update
7. sudo apt-get install oracle-java7-installer

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