Brillio Interview Questions and Answers

A C program that communicates with a database and retrieves data using host and indicator variables.

• Use appropriate database libraries and APIs to establish a connection with the database.

• Define host and indicator variables to store the fetched data.

• Write SQL queries to fetch the required data from the database.

• Execute the queries and retrieve the data into the host variables.

• Use the indicator variables to check f...read more

Sorting an integer array without using built-in array methods.

• Implement a sorting algorithm such as bubble sort, insertion sort, or selection sort.

• Loop through the array and compare adjacent elements to swap them if necessary.

• Repeat the loop until the array is sorted in ascending or descending order.

Find duplicate characters and their count in a given string.

• Create an empty dictionary to store character count

• Iterate through the string and add characters to the dictionary

• If character already exists in the dictionary, increment its count

• Return the dictionary with character count

Abstraction is the process of simplifying complex systems by focusing on essential details.

• Abstraction involves hiding unnecessary details and focusing on important ones.

• It helps in reducing complexity and making systems easier to understand and use.

• Examples of abstraction include programming languages, where complex code is abstracted into simpler functions and classes.

• Another example is a car dashboard, which ab...read more

Polymorphism is the ability of an object to take on many forms.

• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• It is achieved through method overriding and method overloading.

• Examples include function overloading, operator overloading, and inheritance.

• Polymorphism helps in achieving loose coupling and flexibility in code design.

Effective .NET memory management reduces memory usage and improves application performance through various strategies.

• Use 'using' statements to ensure proper disposal of IDisposable objects, e.g., 'using (var stream = new FileStream(...)) { ... }'.

• Implement object pooling for frequently used objects to reduce allocation overhead, e.g., using a pool for database connections.

• Avoid large object allocations in the hea...read more

Faced performance issues in a React Native app due to heavy data processing; optimized it using efficient state management.

• Identified performance bottlenecks using React Native's built-in performance monitor.

• Refactored state management by implementing Redux to handle complex state more efficiently.

• Used memoization techniques with React's useMemo and useCallback to prevent unnecessary re-renders.

• Optimized image loa...read more

Automating processes in Azure DevOps can be achieved through various methods.

• Use Azure Pipelines to create automated build and release pipelines

• Use Azure Functions to automate tasks and trigger events

• Use Azure Logic Apps to create workflows and automate processes

• Use Azure DevOps REST API to automate tasks and integrate with other tools

• Use Azure DevOps extensions to add custom functionality and automate tasks