list.add(new Transaction("id1", 10.5, "10:00")); list.add(new Transaction("id2", 25.0, "09:30")); list.add(new Transaction("id3", 5.0, "10:15")); ...

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...