> Yes, you should never use `undefined`. Now replace `undefined` with `null` and it becomes apparent that Maybe and Optional have exactly the same amount of po

> Yes, you should never use `undefined`. Now replace `undefined` with `null` and it becomes apparent that Maybe and Optional have exactly the same amount of power. Null is encouraged and pervasive in Java, undefined is sometimes used as a placeholder and could be forgotten. You can't say that Maybe and Optional have the same amount of power because of this.