title: Game of Life - data structure
body: <p>what is the best data structure for implementing Game Of Life in Java?</p>
  
  <p>My board is growing constantly and the order of the element is important.</p>
  
  <p>I was thinking about using Set , however the order of the elements is not promised me. </p>
  
  <p>I cannot use N x M array, as the matrix changes after every generation.. </p>