How To Fix “tools.jar” Error In Android Studio

After running ./studio.sh in a terminal from my Android Studio directory, I get this error below
'tools.jar' is not in android studio classpath Please ensure JAVA_HOME points to JDK rather than JRE.
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Install JDK:
sudo apt-get install openjdk-7-jdk
Set environment Variable:
sudo nano /etc/environment
Add the following line:
JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-i386
Reboot, and Android Studio starts up. (I had added also a link to studio.sh to the main menu).
First check if java JDK is installed correctly
dpkg --list | grep -i jdk
if not install by running the commands below:
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update && sudo apt-get install oracle-jdk7-installer
Enable JDK after installation
update-alternatives --display java
Check JDK version
java -version
If everything goes well you should see:
java_version
Now add JAVA_HOME to environment variable.
Edit /etc/environment and add JAVA_HOME using your prefered text editor
sudo vi /etc/environment
Now append:
For 32 Bits
JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-i386
For 64 Bits
JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-amd64
Now ./studio.sh should run

Radite Putut

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