MaterializedField field = MaterializedField.create(defBuilder.build());
// Create a new value vector for 1024 integers
NullableUInt4Vector v = new NullableUInt4Vector(field, allocator);
NullableUInt4Vector.Mutator m = v.getMutator();
v.allocateNew(1024);
// Put and set a few values
m.set(0, 100);
m.set(1, 101);
m.set(100, 102);