Smallcode often asks candidates to differentiate between method overloading and method overriding in Java, challenging them to provide scenarios where each is beneficial, thereby assessing both their theoretical knowledge and practical understanding of Java programming concepts.
You have a comprehensive page featuring a variety of interview questions, covering different aspects of Java programming. It serves as a valuable resource for both interviewees preparing for Java-related interviews and interviewers seeking to assess candidates' knowledge and skills effectively.
Top Java interview questions that improve your Java skills, I might ask about core concepts like OOP principles (inheritance, polymorphism, abstraction, encapsulation), the difference between JDK, JRE, and JVM, memory management (stack vs. heap), common data structures (arrays, ArrayList, HashMap), multithreading concepts, exception handling, String manipulation, and design patterns. I'd also explore your experience using popular Java frameworks and build tools. Could you elaborate on a project showcasing your Java problem-solving skills?
Understanding of the Collections Framework and Java Virtual Machine (JVM) is crucial for optimizing code performance. Serialization and Java APIs (Application Programming Interfaces) delve into data interchange and integration with external systems, while familiarity with design patterns showcases candidates' ability to architect scalable and maintainable solutions.