code: public static String toCpEnvString(Collection<? extends String> entries)
  	{
  		if (entries.size() > 0)
  		{
  			StringBuffer classPath = new StringBuffer("");
  			for (String cp : new HashSet<String>(entries))// remove dublicates
  			{
  				if (cp == null)
  				{
  					continue;
  				}
  				classPath.append(cp);
  				classPath.append(System.getProperty("path.separator"));
  			}
  			classPath.deleteCharAt(classPath.length() - 1);
  			return classPath.toString().trim();
  
  		}
  		return "";
  	}
docs: Creates a class path string from the entries using the path.seperator
  @param entries
  @return the class path string