I was trying to execute the android.sh file in the terminal from my desktop; I got the following errors in my terminal:
$ sudo chmod +x ~/Desktop/android-sdk-linux/tools/android.sh
[sudo] password for soorej:
$ sh ~/Desktop/android-sdk-linux/tools/android.sh
/home/soorej/Desktop/android-sdk-linux/tools/android.sh: 1: /home/soorej/Desktop/android-sdk-linux/tools/android.sh: java: not found
/home/soorej/Desktop/android-sdk-linux/tools/android.sh: 1: /home/soorej/Desktop/android-sdk-linux/tools/android.sh: java: not found
/home/soorej/Desktop/android-sdk-linux/tools/android.sh: 110: exec: java: not found