Java tutorial
//package com.java2s; import java.util.*; public class Main { private static List getMainProcessNames(List list) { ArrayList arraylist = new ArrayList(); Iterator iterator = list.iterator(); do { if (!iterator.hasNext()) break; String s = (String) iterator.next(); int i = s.indexOf(":"); if (i > 0) arraylist.add(s.substring(0, i)); } while (true); return arraylist; } }