Getting to Know Ruby: Day 2

August 21, 2020 | Reading Time: 2 min

Day 2 here we go! Constants Constants in ruby begin with a capital or upper case letter. Unlike some programming languages ruby allows users to change constants after declaration except it will give you a warning for it. 1 2 3 4 5 6 7 8 9 irb(main):001:0> Constant = 78.1 => 78.1 irb(main):002:0> Constant = 54.9 (irb):2: warning: already initialized constant Constant (irb):1: warning: previous definition of Constant was here => 54.