有谁知道如何解决这一问题？
首先我做了：
sudo add-apt-repository ppa:webupd8team/java
然后我做了：
sudo apt-get update
进而：
$ sudo apt-get install oracle-java8-installer
Reading package lists... Done
Building dependency tree
Reading state information... Done
oracle-java8-installer is already the newest version.
The following packages were automatically installed and are no longer required:
antlr3 libdb6.0 libdb6.0-java-jni libice-dev
libjakarta-taglibs-standard-java libjnr-netdb-java libjstl1.1-java
liblivetribe-jsr223-java libpthread-stubs0-dev libsm-dev
libstringtemplate-java libx11-dev libx11-doc libxau-dev libxcb1-dev
libxdmcp-dev libxt-dev wine-compholio wine-compholio-amd64
wine-compholio-i386:i386 x11proto-core-dev x11proto-input-dev
x11proto-kb-dev xorg-sgml-doctools xtrans-dev
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 …