Java - remove last known item from ArrayList

Question

OK, so here is my ArrayList:

private List clients = new ArrayList();

and here is what I am

Answer 1

The compiler complains that you are trying something of a list of ClientThread objects to a String. Either change the type of hey to ClientThread or clients to List.

In addition: Valid indices for lists are from 0 to size()-1.

So you probably want to write

   String hey = clients.get(clients.size()-1);