The object stored in the first array component of variable l has the type List<Double>, but this assignment expects an object of type List<String>. As a result, the JVM throws ClassCastException.

In Java, encapsulation basically translates to this simple guideline: “Don’t access your object’s data directly; use its methods.” That is an elementary idea, but it eases our lives as ...

Hey -- TL/DR -- In Java, I'm struggling to understand how to create an object instance of a generic type without first knowing the type. So, before I delve down into this, know that I'm trying to ...