Krista Software interview questions

Offline Test The first round was an offline test consisting of multiple-choice questions on Java, covering concepts like object-oriented programming, collections, exception handling, and multithreading. Additionally, there were two coding questions that required logical problem-solving and implementation skills. Technical Interview Object-Oriented Programming (OOPs): Concepts like inheritance, polymorphism, abstraction, and encapsulation. Collections Framework: Differences between various collection types, internal workings of HashMap, and when to use which data structure. Database Management Systems (DBMS): Normalization, indexing, and SQL queries. Exception Handling: Checked vs. unchecked exceptions, custom exceptions, and best practices. Project Discussion: I was asked about my past projects, including architecture, technologies used, and challenges faced.