Smith International Interview Questions and Answers

Answering various technical questions related to OOPs, SQL, and software development.

• CTE in SQL stands for Common Table Expression, used for creating temporary result sets.

• Abstract classes are used when you want to provide a common base implementation for derived classes, while interfaces are used to define a contract that implementing classes must follow.

• Nth highest salary in SQL can be achieved using the ROW_NUMBER()...read more

Currently working on a project in the finance domain involving developing a new trading platform.

• Developing a new trading platform for stock market

• Implementing real-time data analytics for trading decisions

• Integrating third-party APIs for market data

• Optimizing trading algorithms for faster execution

Growth is the process of continuous development and improvement in various aspects of life.

• Growth involves personal and professional development.

• It includes acquiring new skills and knowledge.

• Growth can be measured by progress and achievements.

• It can be seen in career advancements and promotions.

• Growth also involves expanding one's network and connections.

• It can be achieved through learning from experiences and challen...read more

Hashmap is not thread-safe while concurrent hashmap is thread-safe.

• Hashmap is faster than concurrent hashmap in single-threaded environments.

• Concurrent hashmap allows multiple threads to access and modify the map concurrently.

• Concurrent hashmap uses a technique called lock striping to achieve thread-safety.

• Hashmap can be used in scenarios where thread-safety is not a concern.

• Concurrent hashmap is preferred in multi-thr