TO THE NEW Technical Lead Interview Questions and Answers for Experienced

Builder design pattern is a creational design pattern used to construct complex objects step by step.

• Builder pattern separates the construction of a complex object from its representation.

• It allows the same construction process to create different representations of the object.

• Useful when there are multiple ways to construct an object or when the object creation process is complex.

• Example: StringBuilder in Java allows ...read more

JOIN query to retrieve country and employee name

• Use JOIN keyword to combine data from multiple tables

• Specify the columns to select from each table

• Use ON keyword to specify the relationship between the tables

Microservice Design Pattern structures applications as a collection of loosely coupled services, enhancing scalability and maintainability.

• Microservices are independently deployable services that communicate over a network.

• Each microservice focuses on a specific business capability, e.g., user management or payment processing.

• Spring Boot simplifies the development of microservices with embedded servers and auto-configu...read more