Pascal's triangle: Difference between revisions

//work on the next row

ArrayList<Integer> thisRow= new ArrayList<Integer>();

for(int j= 1;j < i;++j){//loop the number of elements in this row

//sum from the last row

thisRow.add(last.get(j - 1) + last.get(j));

}

last= thisRow;//save this row

System.out.println(thisRow);