> In this sense Java is actually dynamically typed: there's no way of knowing at compile time whether an object is actually an instance of that object or is nul

> In this sense Java is actually dynamically typed: there's no way of knowing at compile time whether an object is actually an instance of that object or is null. That is an extremely unusual definition of dynamic typing. If I have an Integer it might be null but it won’t be a BeanFactory (unless someone did a reflective call or wrote some bytecode or otherwise subverted the type checker).