Birlasoft Interview Questions and Answers

Q1. Find duplicate element frequency in an array.
Ans. 
Find duplicate element frequency in an array of strings.
• Create a HashMap to store each element and its frequency.

• Iterate through the array and update the frequency in the HashMap.

• Print out elements with frequency greater than 1.
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Q2. Stream API examples
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Stream API in Java provides a way to process collections of objects in a functional style.
• Stream API allows for easy manipulation of collections using functional programming concepts like map, filter, and reduce.

• Example: List<String> names = Arrays.asList("Alice", "Bob", "Charlie"); Stream<String> stream = names.stream();

• Example: List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5); int sum = numbers....read more
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Q3. Dependency Injection in Spring
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Dependency Injection in Spring is a design pattern where objects are provided with their dependencies rather than creating them.
• In Spring, Dependency Injection is achieved through either constructor injection or setter injection.

• It helps in achieving loose coupling between classes and makes the code more maintainable and testable.

• Example: @Autowired annotation in Spring is used for dependency injection.
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Q1. About Project and tech stack.
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Q2. Manager round project discussion and overview of JFD.
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Online MCQ test of dbms c java oops and aptitude

Q1. Introduce yourself
Ans. 
I am a recent graduate with a degree in business administration and a passion for marketing.
• Recent graduate with a degree in business administration

• Passionate about marketing

• Strong communication and organizational skills
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Q1. Introduce yourself
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I am a recent graduate with a degree in business administration and a passion for marketing and sales.
• Recent graduate with a degree in business administration

• Passionate about marketing and sales

• Strong communication and interpersonal skills

• Experience in customer service and retail sales
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Q2. Tell me about your project which you have done in final year
Ans. 
Developed a mobile application for tracking daily water intake and hydration levels
• Researched the importance of hydration for overall health

• Designed user-friendly interface for inputting water intake

• Implemented reminders and notifications to encourage regular hydration

• Conducted user testing to gather feedback for improvements
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Q3. What is inheritance explain its type
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Inheritance allows for code reusability and promotes the concept of hierarchy in programming.

• There are different types of inheritance such as single inheritance, multiple inheritance, multilevel inheritance, and hierarchical inheritance.

• Example: A 'Car' class can inherit attributes and methods fro...read more
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Q4. SQL query related questions
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Q1. Technical introduction like explain last project.
Ans. 
Developed a cloud-based inventory management system to streamline operations and improve data accuracy for a retail client.
• Utilized AWS services for hosting and data storage, ensuring scalability and reliability.

• Implemented a user-friendly interface using React, enhancing user experience and engagement.

• Integrated real-time analytics to track inventory levels, reducing stockouts by 30%.

• Collaborated with cross-functional...read more
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Q2. Basic Oracle Apex like Interactive report, Authentication, Dynamic Action, what Apex version you have worked.
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Q3. What new features are introduced in Apex latest version.
Ans. 
Apex latest version introduces new features like Lightning Web Components, Apex Recipes, and improved debugging capabilities.
• Lightning Web Components allow developers to build reusable components using modern web standards like JavaScript and HTML.

• Apex Recipes provide pre-built code snippets for common use cases, making development faster and easier.

• Improved debugging capabilities include enhanced error messages and be...read more
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Q1. How to handle performance issue in Oracle Apex.
Ans. 
Performance issues in Oracle Apex can be handled by optimizing SQL queries, reducing network latency, and caching data.
• Optimize SQL queries by using indexes, reducing unnecessary joins, and avoiding full table scans.

• Reduce network latency by minimizing the number of round trips between the client and server.

• Cache data to reduce the need for repeated database queries and improve response times.
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Q2. About apex collection.
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Q3. About apex liberary
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Q4. Difference between Server side condition, client side condition
Ans. 
Server side condition is evaluated on the server before the page is sent to the client, while client side condition is evaluated on the client side after the page is received.
• Server side condition is processed on the server before the page is rendered to the client

• Client side condition is processed on the client's browser after the page is received

• Server side conditions are typically used for security and data validati...read more
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Q5. What is Authorization and Authentication.
Ans. 
Authentication verifies the identity of a user, while authorization determines what actions they are allowed to perform.
• Authentication confirms the identity of a user through credentials like passwords or biometrics.

• Authorization determines the level of access a user has to resources or actions.

• Examples: Logging into a system with a username and password is authentication. Being able to view/edit specific files based o...read more
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Q1. Expected salary
Ans. 
My expected salary is negotiable and dependent on the overall compensation package offered.
• My expected salary is based on my experience, skills, and the responsibilities of the role.

• I am open to discussing the salary range during the interview process.

• I am looking for a competitive salary that reflects my qualifications and contributions to the company.
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Q2. Preferred location
Ans. 
I am open to relocation for the right opportunity.
• Open to various locations based on job requirements

• Prefer locations with good work-life balance

• Interested in exploring new cities or countries for work
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Q3. How early you can join
Ans. 
I can join within 2 weeks of receiving a job offer.
• I can start within 2 weeks of receiving a job offer

• My current notice period is 2 weeks

• I am available to start immediately
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Q1. Explain sldc architecture
Ans. 
SDLC architecture stands for Software Development Life Cycle architecture, which is a process used in software development to design, develop, and test software applications.
• SDLC architecture involves planning, designing, coding, testing, and deploying software applications.

• It helps in ensuring that the software development process is organized and efficient.

• Common SDLC models include Waterfall, Agile, and DevOps.

• Each ...read more
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Q2. Explain DBMS and its needs
Ans. 
DBMS stands for Database Management System, it is a software that manages databases and allows users to interact with them.
• DBMS is used to create, retrieve, update, and manage data in databases.

• It provides a way to store and organize data efficiently.

• DBMS ensures data integrity, security, and consistency.

• Examples of DBMS include MySQL, Oracle, SQL Server, and PostgreSQL.
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