IntDenseNdArray

IntNdArray matrix = NdArrays.ofInts(shape(2, 2));  // matrix rank = 2
  matrix.getInt(0, 1);  // succeeds, returns 0
  matrix.getInt(0);  // throws IllegalRankException

  IntNdArray scalar = matrix.get(0, 1);  // scalar rank = 0
  scalar.getInt();  // succeeds, returns 0
 

IntNdArray matrix = NdArrays.ofInts(shape(2, 2));  // matrix rank = 2
  matrix.setInt(10, 0, 1);  // succeeds
  matrix.setInt(10, 0);  // throws IllegalRankException

  IntNdArray scalar = matrix.get(0, 1);  // scalar rank = 0
  scalar.setInt(10);  // succeeds