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'tools.jar' seems to be not in Android Studio classpath. Please ensure JAVA_HOME points to JDK rather than JRE.

how can i solve it

show me how install jdk properly

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3 Answers 3

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You can install JDK using following command :

sudo apt-get install openjdk-7-jdk

And then run

sudo update-alternatives --config java

command and select JDK instead of JRE. And then try to run

studio.sh

Hope it helps

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    Perhaps consider using: sudo apt-get install default-jdk instead of specifying version 7.
    – hackerb9
    May 13, 2016 at 6:19
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  1. Ensure you've installed the java sdk, and not just the jre
  2. Ensure the JAVA_HOME environment path has the correct path after the sdk is installed
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  • my friend but i do not know how to install them
    – saif rind
    Jan 5, 2015 at 16:18
  • There are some very good instructions here
    – snurfle
    Jan 5, 2015 at 16:26
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I removed android studio, Umake and zip. Then I followed the instructions on this link How to completely uninstall Java?. Then installed java7 jdk form software center. Finally i re-installed android studio using umake. Now it works like a charm!

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