What class and extension best demonstrate a HAS-A Relationship?

If a system is systematically computing “metadata”, what would you use to define that system?

True or false? Private variables are visible outside of the class.

What plays a critical role in testing for syntactic legality?

What is the difference between interfaces and abstract classes?

Why is composition considered a simpler method than inheritance?

A shared/static method is associated with a Class.

What does the following classes (as shown in the given figure) represent? A --> B --> C --> D

Which helps to convert a Class into an Abstract?

Which statements is correct with regard to Polymorphism?

Which types of Inheritance is not known?