Groovy Implode Array

implode.groovy

def implode(ArrayList inputArray, String glueString)
{
	/** Output variable */
	String output = "";

	if (inputArray.size() > 0)
	{
	    StringBuilder sb = new StringBuilder();
	    sb.append(inputArray[0]);

	    for (int i = 1; i < inputArray.size(); i++)
	    {
	        sb.append(glueString);
	        sb.append(inputArray[i]);
	    }

	    output = sb.toString();
	}

	return output;
}

// reference: https://imwill.com/implode-string-array-java/#.VXfzZ62lyko