test uri of gist for run_on_jvm

HelloWorld.java

public class HelloWorld {
  public static void main(String args[]) {
    String arg0 = args.length > 0 ? args[0] : "";
    System.out.println("Hello World ! " + arg0);
  }
}

HelloWorld2.scala

//#repo central m2:http://repo1.maven.org/maven2/
//#from org.scala-lang:scala-library:2.9.2
object HelloWorld2 {
  def main(args : Array[String]) {
    val arg0 = if (args.length > 0) args(0) else ""
    println("Hello World ! " + arg0)
  }
}

MyLib.java

package lib;

public class MyLib {
  public static int twice(int i) {
    return i* 2;
  }
}