val first = "A"
val second = "B"
val third = "A"

val areEqual1 = first == second
//areEqual1 is false

val areNotEqual = first != second
//areNotEqual is true

val areEqual2 = first.compareTo(third) == 0
//areEqual2 is true

val moreThan = first.compareTo(second) > 0
//moreThan is false

println("areEqual1 is $areEqual1")
println("areNotEqual is $areNotEqual")
println("areEqual2 is $areEqual2")
println("moreThan is $moreThan")