Oracle Developer interview questions

Stage 1: Initial Screening (HR/Recruiter), Stage 2: First Technical Interview (Technical Staff Member) Purpose: To evaluate your fundamental coding abilities, problem-solving skills, and understanding of core Java concepts. This interview will likely include a coding challenge focused on Strings (LeetCode Medium). Java Core Concepts: The interviewer will likely ask questions to assess your understanding of fundamental Java principles: Object-Oriented Programming (OOP): Encapsulation, Inheritance, Polymorphism, Abstraction. Be prepared to explain these concepts with examples. Data Structures and Algorithms: Basic knowledge of common data structures (arrays, linked lists, hash maps, trees) and their time/space complexities. While the coding challenge focuses on strings, they might ask about the underlying data structures used to implement string operations.

Multiple rounds of technical and practical questions with an interview to check the candidate's ability to adapt to changes and to test their english skills. All aspects of the summited resume will be tested.