Many developers rely on wrapper classes to convert primitive values into objects when using collections and generics.

The ruling classes resisted reforms that threatened their privileges.

Many students prefer the new sandwich classes because they combine lectures and hands-on labs.

Many parents prepare their children for the competitive exams required to enter opportunity classes.

In our mineralogy seminar, we analyzed the symmetry operations that distinguish different crystal classes.

Our club will introduce new member classes starting next month to accommodate different skill levels.

In modern Java development, generic classes help you write type-safe and reusable code across collections and utilities.

The committee divided the proposals into first, second, and third classes, and the third classes were scheduled for later review.

The first classes sold out within hours, leaving many passengers disappointed.

Astronomers compare the spectral classes of distant stars to determine their temperatures and compositions.