Introduction to Sets https://www.youtube.com/watch?v=l3-A0O42LyoA set is well defined class or collection of objects. A set is often described in the following two ways.Roster method or Listing method: In this method a set is described by listing elements, separated by commas, within braces { }. The set of vowels of English alphabet may be described as {a, e, i, o, … [Read more...] about Introduction to Sets