The conservatory offers master classes every summer for aspiring musicians.

When working modulo 7, the residue classes partition the integers into seven distinct sets.

In our codebase, the concrete classes implement the interfaces defined in the core module.

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

You can extend the framework by creating multiple derived classes that override its core methods.

When designing modular software, it's often helpful to separate creation logic into abstract factory classes to keep code flexible.

The upper middle classes often send their children to private schools to secure better opportunities.

The lower middle classes often prioritize saving for their children's education over luxury purchases.

The university reserved several seats for other backward classes to promote inclusive education.

Engineers evaluated the military load classes before approving the bridge for convoy crossings.