zesteros

# create sdk folder
export ANDROID_HOME=/opt/android-sdk-linux
sudo mkdir -p $ANDROID_HOME

# install openjdk
sudo apt-get install openjdk-8-jdk

# download android sdk
cd $ANDROID_HOME
sudo wget https://dl.google.com/android/repository/tools_r25.2.3-linux.zip

zesteros

<?php 
/**
  * Implementation of Queue using PHP
  * @author Al- Imran Ahmed
  */
class Element{
  public $value;
  public $next;
}