Accenture Interview Questions, Process, and Tips

Interface defines a contract for a class to implement while Abstraction hides the implementation details.

• Interface is a blueprint of a class that defines what methods a class must implement.

• Abstraction is a concept where only relevant information is shown and irrelevant details are hidden.

• Interfaces can have multiple inheritance while Abstraction can be achieved through abstract classes or interfaces.

• Example: Interface...read more

Data flows from frontend to backend in Asp.net core through HTTP requests and responses.

• Frontend sends HTTP requests to backend API endpoints

• Backend processes the requests and sends back HTTP responses

• Data can be passed in the request body, query parameters, or headers

• Example: Frontend sends a POST request to create a new user, backend receives the request, processes it, and sends a success response

Functions are reusable code blocks that return a value, while stored procedures are precompiled SQL statements that can perform multiple operations.

• Functions return a value, while stored procedures do not necessarily return a value.

• Functions can be used in SQL queries, while stored procedures are called using EXECUTE statement.

• Functions are easier to test and debug compared to stored procedures.

• Stored procedures can co...read more

Use SQL query with GROUP BY and HAVING clause to find duplicates in a table.

• Use GROUP BY clause to group rows with same values

• Use HAVING clause to filter out groups with count greater than 1

• Example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name HAVING COUNT(*) > 1

HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.

• HashMap uses an array of buckets to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index (collision), a linked list or tree is used to store multiple entries at that index.

• To retrieve a value, the ke...read more

Use employeeIds to find all employees

• Create a function that takes a list of employeeIds and returns a list of employees

• Use a database query or API call to retrieve employee information based on employeeIds

• Handle cases where employeeIds do not match any employees

Spring Boot 3 introduces new features like improved performance, enhanced security, and support for the latest Java versions.

• Improved performance with faster startup times and reduced memory consumption

• Enhanced security features such as built-in support for OAuth 2.0 and JWT

• Support for the latest Java versions like Java 17

• Introduction of new modules and APIs for easier development and integration

Spring Security is used for authentication and authorization in Java applications.

• Configuring security settings in XML or Java configuration

• Defining authentication providers and user roles

• Securing endpoints with annotations like @PreAuthorize

• Customizing login and logout pages

Dependency Injection is a design pattern in which a class receives its dependencies from external sources rather than creating them itself.

• Allows for easier testing by injecting mock dependencies

• Promotes reusability and modularity by decoupling components

• Reduces code duplication by centralizing dependency creation

• Example: Angular uses Dependency Injection to provide services to components

Routing is the process of navigating between different pages or views in a web application.

• Routing allows users to move between different parts of a web application without reloading the entire page

• It is implemented using a router module in Angular, which maps URLs to components

• Routes can have parameters that can be passed to components for dynamic content

• Routing can be used to create single-page applications (SPAs) wh