3 docs tagged with "advanced"

Consolidated interview Q&A for Core Java covering beginner through advanced topics — variables, types, operators, control flow, arrays, strings, methods, and packages.

Hands-on code examples and step-by-step walkthroughs for Sealed Classes (Java 17+) in Java.

Restrict which classes can extend or implement a type — enabling exhaustive pattern matching and modeling closed, well-known type hierarchies safely.