Install dex2jar on Mac OSX

About the App

• App name: dex2jar
• App description: Tools to work with and reverse-engineer Android .dex and Java .class files
• App website: https://github.com/pxb1988/dex2jar

Install the App

1. Press Command+Space and type Terminal and press enter/return key.
2. Run in Terminal app:
   ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null
   and press enter/return key. 
   If the screen prompts you to enter a password, please enter your Mac's user password to continue. When you type the password, it won't be displayed on screen, but the system would accept it. So just type your password and press ENTER/RETURN key. Then wait for the command to finish.
3. Run:
   brew install dex2jar