SDB:Installing Java
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This article is about installing Oracle Java on openSUSE.
Contents |
[edit] Situation
Because of licensing issues, Oracle (Sun) Java JRE cannot be included in the repositories of openSUSE anymore. Here is a quick guide on how to install the newest and secure version. On the Oracle Java website two versions are available for downloading:
- Java Runtime Environment (JRE): includes Java virtual machine), libraries, Java application launcher, web browser and in general everything should be needed to run programs written with Java language.
- Java Development Kit (JDK): in addition to the Java Runtime Environment (JRE) above, in includes all the tools needed to develop, test and debug programs written with Java language.
Being the installation of JRE a shorter version of JDK installation, the procedure to install the JDK will be shown first, this way differences with JRE installation should be clearer, should someone want to install just the Java Runtime Environment, for some reason. Therefore, installing both the packages when they have the same version number, it is not (quite) useful.
With both the procedures given below, for JDK and for JRE installation, the same name, i.e. jdk_Oracle, will be used for the symbolic link pointing to the folder where the Oracle Java Environment is located, by the way. This way, one might even follows both the procedures in a sequence, since the JDK and the JRE are installed in different directories, but only the latter is going to be used by your system (or whichever the symbolic link is pointing to).
[edit] Procedure with development environment included (JDK)
Full Java Environment included.
[edit] Install Oracle Java SE
- Download Oracle Java SE Development Kit (JDK) from the Oracle Java website. Save it to an easy to remember directory (eg. /tmp)
Download a suitable version for your system architecture. E.g.: with Oracle Java version 1.7.0_7:
- Linux x86 (32-bit architecture)
- jdk-7u7-linux-i586.tar.gz
- Linux x64 (64-bit architecture)
- jdk-7u7-linux-x64.tar.gz
- Open a terminal and run:
- Decompress it with (as root, just to be sure):
- Fix permissions for the expanded directory and its content:
- Open JDK is installed by default in /usr/lib, so let's move Oracle Java to /usr/lib as well:
- Create a symbolic link to /usr/lib/jdk1.X.X_XX/ (this will be important later for updating)
[edit] Inform the system
Java application launcher
Compress the man files involved in your installation:
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/keytool.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/orbd.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/policytool.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/rmid.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/rmiregistry.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/servertool.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/tnameserv.1)
Prepare the directory for jvm-exports (specific for version 1.7.0):
cd /usr/lib64/jvm-exports/jdk_Oracle
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/rt.jar jaas-1.7.0_Orac.jar
sudo ln -s jaas-1.7.0_Orac.jar jaas-1.7.0.jar
sudo ln -s jaas-1.7.0_Orac.jar jaas.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/jce.jar jce-1.7.0_Orac.jar
sudo ln -s jce-1.7.0_Orac.jar jce-1.7.0.jar
sudo ln -s jce-1.7.0_Orac.jar jce.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/rt.jar jdbc-stdext-1.7.0_Orac.jar
sudo ln -s jdbc-stdext-1.7.0_Orac.jar jdbc-stdext-1.7.0.jar
sudo ln -s jdbc-stdext-1.7.0_Orac.jar jdbc-stdext-3.0.jar
sudo ln -s jdbc-stdext-1.7.0_Orac.jar jdbc-stdext.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/rt.jar jndi-1.7.0_Orac.jar
sudo ln -s jndi-1.7.0_Orac.jar jndi-1.7.0.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/rt.jar jndi-cos-1.7.0_Orac.jar
sudo ln -s jndi-cos-1.7.0_Orac.jar jndi-cos-1.7.0.jar
sudo ln -s jndi-cos-1.7.0_Orac.jar jndi-cos.jar
sudo ln -s jndi-1.7.0_Orac.jar jndi.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/rt.jar jndi-ldap-1.7.0_Orac.jar
sudo ln -s jndi-ldap-1.7.0_Orac.jar jndi-ldap-1.7.0.jar
sudo ln -s jndi-ldap-1.7.0_Orac.jar jndi-ldap.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/rt.jar jndi-rmi-1.7.0_Orac.jar
sudo ln -s jndi-rmi-1.7.0_Orac.jar jndi-rmi-1.7.0.jar
sudo ln -s jndi-rmi-1.7.0_Orac.jar jndi-rmi.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/jsse.jar jsse-1.7.0_Orac.jar
sudo ln -s jsse-1.7.0_Orac.jar jsse-1.7.0.jar
sudo ln -s jsse-1.7.0_Orac.jar jsse.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/rt.jar sasl-1.7.0_Orac.jar
sudo ln -s sasl-1.7.0_Orac.jar sasl-1.7.0.jar
sudo ln -s sasl-1.7.0_Orac.jar sasl.jar
Java compiler
Compress the man files involved in your installation:
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/apt.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/extcheck.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jar.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jarsigner.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/javac.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/javadoc.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/javah.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/javap.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jcmd.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jconsole.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jdb.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jhat.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jinfo.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jmap.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jps.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jrunscript.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jsadebugd.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jstack.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jstat.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/jstatd.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/native2ascii.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/pack200.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/rmic.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/schemagen.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/serialver.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/unpack200.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/wsgen.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/wsimport.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/xjc.1)
(Directory for jvm-exports: Same used above for Launcher.)
--slave /usr/bin/appletviewer appletviewer /usr/lib/jdk_Oracle/bin/appletviewer \
--slave /usr/share/man/man1/appletviewer.1.gz appletviewer.1.gz /usr/lib/jdk_Oracle/man/man1/appletviewer.1.gz \
--slave /usr/bin/apt apt /usr/lib/jdk_Oracle/bin/apt \
--slave /usr/share/man/man1/apt.1.gz apt.1.gz /usr/lib/jdk_Oracle/man/man1/apt.1.gz \
--slave /usr/bin/extcheck extcheck /usr/lib/jdk_Oracle/bin/extcheck \
--slave /usr/share/man/man1/extcheck.1.gz extcheck.1.gz /usr/lib/jdk_Oracle/man/man1/extcheck.1.gz \
--slave /usr/bin/jar jar /usr/lib/jdk_Oracle/bin/jar \
--slave /usr/share/man/man1/jar.1.gz jar.1.gz /usr/lib/jdk_Oracle/man/man1/jar.1.gz \
--slave /usr/bin/jarsigner jarsigner /usr/lib/jdk_Oracle/bin/jarsigner \
--slave /usr/share/man/man1/jarsigner.1.gz jarsigner.1.gz /usr/lib/jdk_Oracle/man/man1/jarsigner.1.gz \
--slave /usr/lib/jvm/java java_sdk /usr/lib/jdk_Oracle \
--slave /usr/lib/jvm-exports/java java_sdk_exports /usr/lib/jvm-exports/jdk_Oracle \
--slave /usr/share/man/man1/javac.1.gz javac.1.gz /usr/lib/jdk_Oracle/man/man1/javac.1.gz \
--slave /usr/bin/javadoc javadoc /usr/lib/jdk_Oracle/bin/javadoc \
--slave /usr/share/man/man1/javadoc.1.gz javadoc.1.gz /usr/lib/jdk_Oracle/man/man1/javadoc.1.gz \
--slave /usr/bin/javah javah /usr/lib/jdk_Oracle/bin/javah \
--slave /usr/share/man/man1/javah.1.gz javah.1.gz /usr/lib/jdk_Oracle/man/man1/javah.1.gz \
--slave /usr/bin/javap javap /usr/lib/jdk_Oracle/bin/javap \
--slave /usr/share/man/man1/javap.1.gz javap.1.gz /usr/lib/jdk_Oracle/man/man1/javap.1.gz \
--slave /usr/share/man/man1/jcmd.1.gz jcmd.1.gz /usr/lib/jdk_Oracle/man/man1/jcmd.1.gz \
--slave /usr/bin/jconsole jconsole /usr/lib/jdk_Oracle/bin/jconsole \
--slave /usr/share/man/man1/jconsole.1.gz jconsole.1.gz /usr/lib/jdk_Oracle/man/man1/jconsole.1.gz \
--slave /usr/bin/jdb jdb /usr/lib/jdk_Oracle/bin/jdb \
--slave /usr/share/man/man1/jdb.1.gz jdb.1.gz /usr/lib/jdk_Oracle/man/man1/jdb.1.gz \
--slave /usr/bin/jhat jhat /usr/lib/jdk_Oracle/bin/jhat \
--slave /usr/share/man/man1/jhat.1.gz jhat.1.gz /usr/lib/jdk_Oracle/man/man1/jhat.1.gz \
--slave /usr/bin/jinfo jinfo /usr/lib/jdk_Oracle/bin/jinfo \
--slave /usr/share/man/man1/jinfo.1.gz jinfo.1.gz /usr/lib/jdk_Oracle/man/man1/jinfo.1.gz \
--slave /usr/bin/jmap jmap /usr/lib/jdk_Oracle/bin/jmap \
--slave /usr/share/man/man1/jmap.1.gz jmap.1.gz /usr/lib/jdk_Oracle/man/man1/jmap.1.gz \
--slave /usr/bin/jps jps /usr/lib/jdk_Oracle/bin/jps \
--slave /usr/share/man/man1/jps.1.gz jps.1.gz /usr/lib/jdk_Oracle/man/man1/jps.1.gz \
--slave /usr/bin/jrunscript jrunscript /usr/lib/jdk_Oracle/bin/jrunscript \
--slave /usr/share/man/man1/jrunscript.1.gz jrunscript.1.gz /usr/lib/jdk_Oracle/man/man1/jrunscript.1.gz \
--slave /usr/bin/jsadebugd jsadebugd /usr/lib/jdk_Oracle/bin/jsadebugd \
--slave /usr/share/man/man1/jsadebugd.1.gz jsadebugd.1.gz /usr/lib/jdk_Oracle/man/man1/jsadebugd.1.gz \
--slave /usr/bin/jstack jstack /usr/lib/jdk_Oracle/bin/jstack \
--slave /usr/share/man/man1/jstack.1.gz jstack.1.gz /usr/lib/jdk_Oracle/man/man1/jstack.1.gz \
--slave /usr/bin/jstat jstat /usr/lib/jdk_Oracle/bin/jstat \
--slave /usr/share/man/man1/jstat.1.gz jstat.1.gz /usr/lib/jdk_Oracle/man/man1/jstat.1.gz \
--slave /usr/bin/jstatd jstatd /usr/lib/jdk_Oracle/bin/jstatd \
--slave /usr/share/man/man1/jstatd.1.gz jstatd.1.gz /usr/lib/jdk_Oracle/man/man1/jstatd.1.gz \
--slave /usr/bin/native2ascii native2ascii /usr/lib/jdk_Oracle/bin/native2ascii \
--slave /usr/share/man/man1/native2ascii.1.gz native2ascii.1.gz /usr/lib/jdk_Oracle/man/man1/native2ascii.1.gz \
--slave /usr/bin/pack200 pack200 /usr/lib/jdk_Oracle/bin/pack200 \
--slave /usr/share/man/man1/pack200.1.gz pack200.1.gz /usr/lib/jdk_Oracle/man/man1/pack200.1.gz \
--slave /usr/bin/rmic rmic /usr/lib/jdk_Oracle/bin/rmic \
--slave /usr/share/man/man1/rmic.1.gz rmic.1.gz /usr/lib/jdk_Oracle/man/man1/rmic.1.gz \
--slave /usr/bin/schemagen schemagen /usr/lib/jdk_Oracle/bin/schemagen \
--slave /usr/share/man/man1/schemagen.1.gz schemagen.1.gz /usr/lib/jdk_Oracle/man/man1/schemagen.1.gz \
--slave /usr/bin/serialver serialver /usr/lib/jdk_Oracle/bin/serialver \
--slave /usr/share/man/man1/serialver.1.gz serialver.1.gz /usr/lib/jdk_Oracle/man/man1/serialver.1.gz \
--slave /usr/bin/unpack200 unpack200 /usr/lib/jdk_Oracle/bin/unpack200 \
--slave /usr/share/man/man1/unpack200.1.gz unpack200.1.gz /usr/lib/jdk_Oracle/man/man1/unpack200.1.gz \
--slave /usr/bin/wsgen wsgen /usr/lib/jdk_Oracle/bin/wsgen \
--slave /usr/share/man/man1/wsgen.1.gz wsgen.1.gz /usr/lib/jdk_Oracle/man/man1/wsgen.1.gz \
--slave /usr/bin/wsimport wsimport /usr/lib/jdk_Oracle/bin/wsimport \
--slave /usr/share/man/man1/wsimport.1.gz wsimport.1.gz /usr/lib/jdk_Oracle/man/man1/wsimport.1.gz \
--slave /usr/bin/xjc xjc /usr/lib/jdk_Oracle/bin/xjc \
--slave /usr/share/man/man1/xjc.1.gz xjc.1.gz /usr/lib/jdk_Oracle/man/man1/xjc.1.gz
Web browser plug-in
For openSUSE 64-bit just use, instead:
[edit] Making Oracle Java default
You will have to select the appropriate number after running: (This also can be used to switch between different implementations of java).
Java application launcher
Java compiler
Web browser plug-in
[edit] Setting options specific for version of installed Java (option)
You can even set Oracle Java as an alternative for JDK (and JRE) environments, just for a particular version of Java, in this case 1.7.0; the changes will be applied with usual update-alternatives.
Java application launcher
To select your alternative:
Java compiler
To select your alternative:
[edit] Updating Oracle Java
Updating Oracle Java is really easy thanks to the /usr/lib/jdk_Oracle link that was created above.
- Repeat the procedure up to moving the jdk1.X.X_XX to /usr/lib
- Then just change the symbolic link /usr/lib/jdk_Oracle to point to the new Java SE sudo ln -s -f -T /usr/lib/jdk1.X.Y_YY/ /usr/lib/jdk_Oracle
- Finally re-compress man files as described above.
[edit] Adding Java Control Panel
Once you set Oracle Java as your default jvm, you might want to be able to run /usr/lib/jdk_Oracle/bin/jcontrol (replace lib with lib64 if you are running a 64-bit system), e.g. the application providing your Java Control Panel, directly from the applications menu for your favourite Desktop Environment.
In order to add item "Java - Java Control Panel" to the application menu, you will need to create a couple of symbolic links, which you could delete with sudo rm /path/to/your/symlink, should you want to remove Oracle Java. You can create those symbolic links using following commands, taking care that /usr/lib must be replaced with /usr/lib64 if you own a 64-bit system:
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/desktop/icons/hicolor/16x16/apps/sun-jcontrol.png /usr/share/icons/hicolor/16x16/apps/
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/desktop/icons/hicolor/48x48/apps/sun-jcontrol.png /usr/share/icons/hicolor/48x48/apps/
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/desktop/icons/LowContrast/16x16/apps/sun-jcontrol.png /usr/share/icons/locolor/16x16/apps/
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/desktop/icons/LowContrast/48x48/apps/sun-jcontrol.png /usr/share/icons/locolor/48x48/apps/
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/desktop/applications/sun_java.desktop /usr/share/applications
[edit] Procedure with runtime environment only (JRE)
For Java Runtime Environment only.
[edit] Install Oracle Java SE (JRE)
- Download Oracle Java SE Runtime Environment (JRE) from the Oracle Java website. Save it to an easy to remember directory (eg. /tmp)
Download a suitable version for your system architecture. E.g.: with Oracle Java version 1.7.0_7:
- Linux x86 (32-bit architecture)
- jre-7u7-linux-i586.tar.gz
- Linux x64 (64-bit architecture)
- jre-7u7-linux-x64.tar.gz
- Open a terminal and run:
- Decompress it with (as root, just to be sure):
- Fix permissions for the expanded directory and its content:
- Open JDK is installed by default in /usr/lib, so let's move Oracle Java to /usr/lib as well:
- Create a symbolic link to /usr/lib/jdk1.X.X_XX/ (this will be important later for updating)
[edit] Inform the system (JRE)
Java application launcher
Compress the man files involved in your installation:
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/keytool.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/orbd.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/policytool.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/rmid.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/rmiregistry.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/servertool.1)
sudo gzip $(readlink -f /usr/lib/jdk_Oracle/man/man1/tnameserv.1)
Prepare the directory for jvm-exports (specific for version 1.7.0):
cd /usr/lib64/jvm-exports/jdk_Oracle
sudo ln -s /usr/lib/jdk_Oracle/lib/rt.jar jaas-1.7.0_Orac.jar
sudo ln -s jaas-1.7.0_Orac.jar jaas-1.7.0.jar
sudo ln -s jaas-1.7.0_Orac.jar jaas.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/jce.jar jce-1.7.0_Orac.jar
sudo ln -s jce-1.7.0_Orac.jar jce-1.7.0.jar
sudo ln -s jce-1.7.0_Orac.jar jce.jar
sudo ln -s /usr/lib/jdk_Oracle/lib/rt.jar jdbc-stdext-1.7.0_Orac.jar
sudo ln -s jdbc-stdext-1.7.0_Orac.jar jdbc-stdext-1.7.0.jar
sudo ln -s jdbc-stdext-1.7.0_Orac.jar jdbc-stdext-3.0.jar
sudo ln -s jdbc-stdext-1.7.0_Orac.jar jdbc-stdext.jar
sudo ln -s /usr/lib/jdk_Oracle/lib/rt.jar jndi-1.7.0_Orac.jar
sudo ln -s jndi-1.7.0_Orac.jar jndi-1.7.0.jar
sudo ln -s /usr/lib/jdk_Oracle/jre/lib/rt.jar jndi-cos-1.7.0_Orac.jar
sudo ln -s jndi-cos-1.7.0_Orac.jar jndi-cos-1.7.0.jar
sudo ln -s jndi-cos-1.7.0_Orac.jar jndi-cos.jar
sudo ln -s jndi-1.7.0_Orac.jar jndi.jar
sudo ln -s /usr/lib/jdk_Oracle/lib/rt.jar jndi-ldap-1.7.0_Orac.jar
sudo ln -s jndi-ldap-1.7.0_Orac.jar jndi-ldap-1.7.0.jar
sudo ln -s jndi-ldap-1.7.0_Orac.jar jndi-ldap.jar
sudo ln -s /usr/lib/jdk_Oracle/lib/rt.jar jndi-rmi-1.7.0_Orac.jar
sudo ln -s jndi-rmi-1.7.0_Orac.jar jndi-rmi-1.7.0.jar
sudo ln -s jndi-rmi-1.7.0_Orac.jar jndi-rmi.jar
sudo ln -s /usr/lib/jdk_Oracle/lib/jsse.jar jsse-1.7.0_Orac.jar
sudo ln -s jsse-1.7.0_Orac.jar jsse-1.7.0.jar
sudo ln -s jsse-1.7.0_Orac.jar jsse.jar
sudo ln -s /usr/lib/jdk_Oracle/lib/rt.jar sasl-1.7.0_Orac.jar
sudo ln -s sasl-1.7.0_Orac.jar sasl-1.7.0.jar
sudo ln -s sasl-1.7.0_Orac.jar sasl.jar
Web browser plug-in
For openSUSE 64-bit just use, instead:
[edit] Making Oracle Java default (JRE)
You will have to select the appropriate number after running: (This also can be used to switch between different implementations of java).
Java application launcher
Web browser plug-in
[edit] Setting options specific for version of installed Java JRE (option)
You can even set Oracle Java as an alternative for the JRE environment, just for a particular version of Java, in this case 1.7.0; the changes will be applied with usual update-alternatives.
Java application launcher
To select your alternative:
[edit] Updating Oracle Java (JRE)
Updating Oracle Java is really easy thanks to the /usr/lib/jdk_Oracle link that was created above.
- Repeat the procedure up to moving the jre1.X.X_XX to /usr/lib
- Then just change the symbolic link /usr/lib/jdk_Oracle to point to the new Java SE sudo ln -s -f -T /usr/lib/jre1.X.Y_YY/ /usr/lib/jdk_Oracle
- Finally re-compress man files as described above.
[edit] Adding Java Control Panel (JRE)
Once you set Oracle Java as your default jvm, you might want to be able to run /usr/lib/jdk_Oracle/bin/jcontrol (replace lib with lib64 if you are running a 64-bit system), e.g. the application providing your Java Control Panel, directly from the applications menu for your favourite Desktop Environment.
In order to add item "Java - Java Control Panel" to the application menu, you will need to create a couple of symbolic links, which you could delete with sudo rm /path/to/your/symlink, should you want to remove Oracle Java. You can create those symbolic links using following commands, taking care that /usr/lib must be replaced with /usr/lib64 if you own a 64-bit system:
sudo ln -s /usr/lib/jdk_Oracle/lib/desktop/icons/hicolor/16x16/apps/sun-jcontrol.png /usr/share/icons/hicolor/16x16/apps/
sudo ln -s /usr/lib/jdk_Oracle/lib/desktop/icons/hicolor/48x48/apps/sun-jcontrol.png /usr/share/icons/hicolor/48x48/apps/
sudo ln -s /usr/lib/jdk_Oracle/lib/desktop/icons/LowContrast/16x16/apps/sun-jcontrol.png /usr/share/icons/locolor/16x16/apps/
sudo ln -s /usr/lib/jdk_Oracle/lib/desktop/icons/LowContrast/48x48/apps/sun-jcontrol.png /usr/share/icons/locolor/48x48/apps/
sudo ln -s /usr/lib/jdk_Oracle/lib/desktop/applications/sun_java.desktop /usr/share/applications/


