Task

Show how to represent the boolean states "true" and "false" in a language.

If other objects represent "true" or "false" in conditionals, note it.



Related tasks

   Logical operations


/* NetRexx */
options replace format comments java crossref savelog symbols nobinary
 
bval = [1, 0, 5, 'a', 1 == 1, 1 \= 1, isTrue, isFalse]
 
loop b_ = 0 for bval.length
  select case bval[b_]
    when isTrue  then say bval[b_] 'is true'
    when isFalse then say bval[b_] 'is false'
    otherwise         say bval[b_] 'is not boolean'
    end
  end b_
 
method isTrue public static returns boolean
  return (1 == 1)
 
method isFalse public static returns boolean
  return \isTrue
 