Since update 40 Oracle's Java 7 JDK supports ARM HF, so I believe offers no great performance advantage over Java 8. My Java 8 seems to have been wiped out, probably by the Wolfram install.
pi@raspberrypi /etc/alternatives $ java -version
java version "1.7.0_40"
Java(TM) SE Runtime Environment (build 1.7.0_40-b43)
Java HotSpot(TM) Client VM (build 24.0-b56, mixed mode)
pi@raspberrypi /etc/alternatives $ sudo update-alternatives --config java
There is only one alternative in link group java (providing /usr/bin/java): /usr/lib/jvm/jdk-7-oracle-armhf/jre/bin/java
Nothing to configure.
Update from http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
pi@raspberrypi /etc/alternatives $ java -version
java version "1.7.0_40"
Java(TM) SE Runtime Environment (build 1.7.0_40-b43)
Java HotSpot(TM) Client VM (build 24.0-b56, mixed mode)
pi@raspberrypi /etc/alternatives $ sudo update-alternatives --config java
There is only one alternative in link group java (providing /usr/bin/java): /usr/lib/jvm/jdk-7-oracle-armhf/jre/bin/java
Nothing to configure.
Update from http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
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