How to read last 5 lines of a .txt file into java

Question

I have a text file that consists of several entries such as:

hello
there
my
name
is
JoeBloggs

How would I read the last five entries in des

Answer 1

You can add the lines to a List, e.g. a LinkedList. When the list has more than five lines, remove the first/last.

List lines = new LinkedList();
for(String tmp; (tmp = br.readLine()) != null;) 
    if (lines.add(tmp) && lines.size() > 5) 
        lines.remove(0);