Vitalhunt Global Solutions Interview Questions and Answers

Annotations in Spring Boot are used to simplify the configuration and development of applications.

• Annotations are used to provide metadata about the application's components

• They help in reducing the amount of configuration required

• Examples include @RestController, @Autowired, @RequestMapping

Windows function in SQL is used to perform calculations across a set of rows that are related to the current row.

• Windows functions are used to calculate values based on a group of rows

• They are used with the OVER clause

• Examples include ROW_NUMBER(), RANK(), DENSE_RANK(), SUM(), AVG(), MIN(), MAX()

Functions return a single value while stored procedures can perform multiple operations and return multiple values.

• Functions return a single value while stored procedures can return multiple values.

• Functions are used for computations and return values, while stored procedures are used for executing a series of statements.

• Functions can be called from within SQL statements, while stored procedures are called using the EX...read more

Abstract class can have implementation details, while interface only contains method signatures.

• Abstract class can have constructors, fields, and methods with implementation details, while interface can only have method signatures.

• A class can inherit from only one abstract class, but can implement multiple interfaces.

• Abstract classes are used when some common functionality needs to be shared among multiple classes, whi...read more

CrescendoGlobal stands out for its innovative approach, commitment to excellence, and strong focus on client success.

• CrescendoGlobal's reputation for delivering high-quality analytical solutions aligns with my career goals.

• The company's emphasis on continuous learning and professional development is appealing; I value growth opportunities.

• CrescendoGlobal's diverse client portfolio showcases its adaptability and experti...read more