An old-fashioned man. Hesitant to define classes in scripting languages

I feel uncomfortable defining classes in TypeScript or Python.I have always found defining classes to be a bit of a hassle.

Why doesn't 0.1 + 0.2 equal 0.3 in Java? Trying BigDecimal for monetary calculations

I added 0.1 and 0.2 to check if they equal 0.3, but it returned false. The formula should be correct, so why?This is a ...