List<LogEntryComparator> entries = new LinkedList<LogEntryComparator>();
        Date date = null;
        for (String line : list) { //list is an arraylist of strings.
            String time = "2011 " + line.substring(0, 15);
            try {
                date = FORMAT.parse(time);
            } catch (Exception e) {
                e.printStackTrace();
            }
            entries.add(new LogEntryComparator(date, line.substring(15)));
        }
        Collections.sort(entries);

...

import java.util.Date;

public class LogEntryComparator implements Comparable<LogEntryComparator> {
    Date time = null;
    String entry = "";

    public LogEntryComparator(Date date, String entry) {
        this.time = date;
        this.entry = entry;
    }

    @Override
    public int compareTo(LogEntryComparator le1) {
        return time.compareTo(le1.time);
    }
}

result (as you can see unsorted)
Sun Jul 31 17:09:50 CEST 2011 <phl0w> tes
Sun Jul 31 17:10:49 CEST 2011 <Andy_> Speed
Sun Jul 31 17:10:51 CEST 2011 <Andy_> lol Speed
Sun Jul 31 19:20:50 CEST 2011 <phl0w> lolfile1
Fri Jul 29 17:09:50 CEST 2011 <phl0w> tes
Sun Jul 31 17:08:49 CEST 2011 <Andy_> Speed
Sun Jul 31 17:11:51 CEST 2011 <Andy_> lol Speed
Sun Jul 31 19:20:53 CEST 2011 <phl0w> lolfile3