Cosine vector space

Script

String seperatorString = "\n";
if (seperator != void) {
	seperatorString = seperator;
}
StringBuffer sb = new StringBuffer();
for (Iterator i = stringlist.iterator(); i.hasNext();) {
	String item = (String) i.next();
	sb.append(item);
	if (i.hasNext()) {
		sb.append(seperatorString);
	}
}
concatenated = sb.toString();

Script

String[] split = input.split("\n");
Vector nonEmpty = new Vector();

for (int i = 0; i < split.length; i++){
	if (!(split[i].equals("")))
   	{
       		nonEmpty.add(split[i].trim());
   	}
}

String[] non_empty = new String[nonEmpty.size()];

for (int i = 0; i < non_empty.length; i ++)
{
   non_empty[i] = nonEmpty.elementAt(i);
}

String output = "";

for (int i = 0; i < non_empty.length; i++)
{
	output = output + (String) (non_empty[i] + "\n");
}

Endpoint