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");
}
input
output