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howto:linux:install:raspbian [2014/07/22 20:31]
nx3 [Configure Java]
howto:linux:install:raspbian [2015/09/18 13:19]
szati [Configure Java]
Line 9: Line 9:
  
 "Oracle JDK 8 for ARM has JIT compiler and supports hard float point instructions. This is the fastest (1.5x-10x times faster than other JVMs) Java option for Raspberry Pi" "Oracle JDK 8 for ARM has JIT compiler and supports hard float point instructions. This is the fastest (1.5x-10x times faster than other JVMs) Java option for Raspberry Pi"
- 
-<code> 
-This isn't working as yet....its a to be updated 
-wget --no-check-certificate http://download.oracle.com/otn-pub/java/jdk/8u6-b23/jdk-8u6-linux-arm-vfp-hflt.tar.gz 
-tar zxf jdk-8u6-linux-arm-vfp-hflt.tar.gz 
-rm jdk-8u6-linux-arm-vfp-hflt.tar.gz 
-</code> 
 ==== Install Oracle Java for ARM ==== ==== Install Oracle Java for ARM ====
  
 Download Oracle JDK8 for ARM on your RaspberryPi and get the resulting file to your 'home' folder on Raspbian. Download Oracle JDK8 for ARM on your RaspberryPi and get the resulting file to your 'home' folder on Raspbian.
-[[https://jdk8.java.net/download.html]]+http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
  
 Oracle provide a good installation guide at: Oracle provide a good installation guide at:
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 ==== Configure Java ==== ==== Configure Java ====
 +Decompress the tar file, the file name will change depending on the version you download
 +<code>
 +sudo tar zxvf jdk-8u60-linux-arm32-vfp-hflt.tar.gz -C /opt
 +</code>
 +
 Change the owner of JAVA: Change the owner of JAVA:
-<code>root@raspberrypi /opt $ sudo chown -R root jdk1.8.0</code>+<code>root@raspberrypi /opt $ sudo chown -R root jdk1.8.0_60/</code>
  
 Set where the Java components are installed: Set where the Java components are installed:
 <code> <code>
-sudo update-alternatives -install /usr/bin/java java /opt/jdk1.8.0/bin/java 1 +sudo update-alternatives --install /usr/bin/java java /opt/jdk1.8.0_60/bin/java 1 
-sudo update-alternatives -install /usr/bin/javac javac /opt/jdk1.8.0/bin/javac 1 +sudo update-alternatives --install /usr/bin/javac javac /opt/jdk1.8.0_60/bin/javac 1 
-sudo update-alternatives --set java /opt/jdk1.8.0/bin/java+sudo update-alternatives --set java /opt/jdk1.8.0_60/bin/java
 </code> </code>
  
-Set version+Set version, you get to set as new versions of Raspbian have JDK7 preinstalled, you can install JDK8 as well just set which runs.
 <code> <code>
-sudo update-alternatives config javac +sudo update-alternatives --config javac 
-sudo update-alternatives config java+sudo update-alternatives --config java
 </code> </code>
  
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 </code> </code>
  
-Version numbers will update from the example below);+Version numbers will update from the example below;
 <code> <code>
 pi@raspberrypi ~ $ java -version pi@raspberrypi ~ $ java -version
-java version "1.8.0-ea+java version "1.8.0_60
-Java(TM) SE Runtime Environment (build 1.8.0-ea-b36e+Java(TM) SE Runtime Environment (build 1.8.0_60-b27
-Java HotSpot(TM) Client VM (build 25.0-b04, mixed mode)+Java HotSpot(TM) Client VM (build 25.60-b23, mixed mode)
 </code> </code>
  
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 Enter the following: Enter the following:
-<code>JAVA_HOME="/opt/jdk1.8.0"</code>+<code>JAVA_HOME="/opt/jdk1.8.0_60"</code>
 Exit nano making sure you save the file. Exit nano making sure you save the file.
  
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 Put the entries at the end of the file:  Put the entries at the end of the file: 
 <code> <code>
-export JAVA_HOME="/opt/jdk1.8.0"+export JAVA_HOME="/opt/jdk1.8.0_60"
 export PATH=$PATH:$JAVA_HOME/bin export PATH=$PATH:$JAVA_HOME/bin
 </code> </code>
howto/linux/install/raspbian.txt · Last modified: 2016/01/27 16:45 by szati