Pregunta de entrevista de Nones

Basic Syntax and Concepts: Variables, data types, control structures (loops, if-else statements), methods, classes, and objects. Object-Oriented Programming (OOP): Inheritance, polymorphism, encapsulation, and abstraction. Collections Framework: Lists, sets, maps, and how to use them. Exception Handling: Try-catch blocks, custom exceptions, and exception hierarchy. Concurrency: Threads, synchronization, and concurrent collections. Java 8 Features: Lambda expressions, Streams API, Optional class, and default methods in interfaces. Java Virtual Machine (JVM): Garbage collection, JVM tuning, and performance optimization. Frameworks: Spring, Hibernate, and other popular libraries and frameworks. APIs: Working with RESTful APIs, HTTP requests, and JSON handling. Let me know what you're specifically interested in!