In object-oriented programming, outer classes are used to encapsulate related inner classes.

Java allows the use of inner classes to encapsulate functionality within a class.

I have two final classes this semester.

Static classes are used to group related methods and properties together.

Anonymous classes are commonly used in object-oriented programming languages.

In object-oriented programming, base classes are used as a blueprint for creating derived classes.

There are many local classes available in our community.

There are many proper classes in mathematics.

I signed up for two convenience classes this semester.

The lower classes struggle to make ends meet.