System Edge Interview Questions and Answers

A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8

The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.

Q1. Interviewer was himself not knowing anything as it was walkin drive he was sitting infront of me and checking questions on phone Introduction that he inturrepted in between when I was introducing myself
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Q2. What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
Ans. 
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
• Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.

• Subclasses of a sealed class must be either final or sealed themselves.

• Errors may occur when trying to extend a sealed class with a non-permitted subclass.
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Q3. Java 8 feathers stream api, functional interface, Intermittent operator ,Ternary operator, Prediction,Bi predicate. Answered all successfully
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Q4. Draw low level design of implementation of notify me if item is back in stock in a ecommerce application
Ans. 
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
• Create a database table to store user notifications for out-of-stock items

• Implement a service to check item availability and send notifications to subscribed users

• Provide a user interface for users to subscribe to notifications for specific items
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Q5. All design patterns which I know. Asked me to implement adapter pattern on paper
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Q6. Then given a problem that concurrent way perform operation on excell to decrease the response time
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Depending on the role which U applied 2 or
3 rounds of online test will come

Q1. This is the final interview with HR and after If U selected they will contact via mail
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Q2. Self introduction
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Q3. Project Explanation mentioned in the resume
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Q4. Additionally depending on the Interviewer/HR some may ask hypthothetical questions
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Q1. DevOps Advanced questions with CICD, Application Deployment stages and troubleshooting part
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Q2. Terraform Hands on Deployments for both Infrastructure & Application Deployment
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Q1. More into Architecture & Cost Optimization Solutions & Cloud Security best practices
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Q2. Team Management, Leader Ship skills
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Q1. Technical questions on Mainframes and TOSCA
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Q1. Client round with technical questions on mainframes and tosca
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Q1. Till date they have not enrolled me even after confirming and doing my documentation
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Q1. Documentation round which is still going on and its been 2 months
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Q1. What special attributes do you possess that make you a perfect fit for this role, considering that many individuals can perform car service?
Ans. 
I possess excellent communication skills, problem-solving abilities, and a strong customer-centric approach.
• Strong communication skills to effectively interact with customers and address their concerns

• Proven problem-solving abilities to quickly resolve issues and provide satisfactory solutions

• Customer-centric approach to prioritize customer satisfaction and build positive relationships

• Ability to remain calm and compose...read more
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Q2. What skills do you possess that are relevant to the execution of this role?
Ans. 
I possess strong communication skills, problem-solving abilities, and a customer-centric approach.
• Excellent communication skills to effectively interact with customers and address their concerns

• Strong problem-solving abilities to quickly resolve issues and provide solutions

• Customer-centric approach to ensure customer satisfaction and retention

• Ability to remain calm and patient in challenging situations

• Experience in han...read more
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Q3. What attracted you to choose this company as your new employer?
Ans. 
The company's strong reputation for excellent customer service and commitment to employee development attracted me.
• Reputation for excellent customer service

• Commitment to employee development

• Positive reviews from current and former employees
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Q4. What's your salary expectations
Ans. 
My salary expectations are in line with industry standards and based on my experience and qualifications.
• Research industry standards for the position

• Consider my experience and qualifications

• Be prepared to negotiate based on job responsibilities and benefits package
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Q1. Do you have experience
Ans. 
Yes, I have 3 years of experience in customer service roles.
• Worked as a customer service representative for 2 years at Company X

• Handled customer inquiries, resolved complaints, and processed orders

• Trained new employees on customer service best practices
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Q2. Are you dedicated to this role
Ans. 
Yes, I am dedicated to this role and committed to providing excellent customer service.
• I have a strong work ethic and always strive to exceed customer expectations

• I am willing to go above and beyond to resolve customer issues and ensure their satisfaction

• I am constantly seeking ways to improve my skills and knowledge in order to better serve customers
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Integrity and honesty

A case study in an Optum interview typically revolves around solving a real-world problem related to healthcare, data analysis, technology, or business strategy, given Optum’s focus on healthcare services and technology solutions. Here are some tips on how to approach a case study interview at Optum and a sample example:

Steps to Approach an Optum Case Study:

1. Understand the Problem Statement:

Take time to read the case study carefully and make sure you understand the key issue or question.

Identify the stakeholders involved (patients, healthcare providers, insurance companies, etc.) and the objective (cost reduction, improving patient outcomes, increasing efficiency, etc.).



2. Clarify Assumptions:

If there are any ambiguous elements, ask questions to clarify the problem.

You can also state your assumptions if you're making any, but be clear that these are assumptions.



3. Break Down the Problem:

Identify key data points you would need to analyze.

Break the problem into smaller pieces that can be addressed step-by-step.



4. Analyze:

Use frameworks like SWOT analysis, PESTLE analysis, or Porter’s Five Forces if applicable to the case.

In case of a data-related problem, try to identify key metrics (such as patient satisfaction, cost, quality of care, etc.) and how they can be improved or measured.

For technology-related cases, consider aspects like scalability, security, user experience, and integration with existing systems.



5. Propose a Solution:

Present your findings logically and suggest a solution based on your analysis.

Make sure to consider both short-term and long-term impacts on patient

Q1. When interviewing with Optum, you can expect a mix of technical, behavioral, and situational questions, especially considering their focus on healthcare services, technology, and data analysis. Here are so...read more
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Q2. Done
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Computer typing should be 40 wpm. And optional question answer multiple choice questions

Basic quant and reasoning questions
Selenium MCQ
Java programs with MCQ

Q1. Tell me about yourself
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Q2. Where you initialise driver
Ans. 
The driver is typically initialized in the setup method of a test automation framework.
• Driver initialization is usually done in a setup method before test execution.

• Commonly used methods for driver initialization include WebDriverManager, System.setProperty, and driver instantiation.

• Example: WebDriverManager.chromedriver().setup();
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Q3. Driver is static or non static
Ans. 
Driver can be both static and non-static depending on the context of its usage.
• Driver class can be static if it is used to initiate the WebDriver instance in a test automation framework.

• Driver class can be non-static if it is used as an instance variable within a test class.

• Static driver can be accessed directly without creating an object of the class.

• Non-static driver requires an object of the class to be created befo
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Q4. Difference between static and non static
Ans. 
Static variables belong to the class itself, while non-static variables belong to instances of the class.
• Static variables are shared among all instances of a class

• Non-static variables are unique to each instance of a class

• Static variables are initialized only once, at the start of the program

• Non-static variables are initialized separately for each instance of the class
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Q5. Disadvantages of static and non static
Ans. 
Static and non-static have their own disadvantages in QA automation testing.
• Static methods cannot be overridden or inherited, making it difficult to create flexible test cases.

• Non-static methods require an instance of the class to be created, which can lead to increased memory usage.

• Static methods can lead to tight coupling between classes, making it harder to maintain and update the code.

• Non-static methods may have de...read more
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Q6. Parallel execution in TestNG
Ans. 
TestNG allows parallel execution of test cases to save time and improve efficiency.
• TestNG provides the 'parallel' attribute in the testng.xml file to specify the level of parallelism for test execution.

• Parallel execution can be achieved at the test level, class level, method level, or suite level.

• TestNG also supports parallel execution of tests across multiple classes or suites using the 'parallel' attribute in the sui...read more
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Q7. Write the code for Parallel testing in TestNG
Ans. 
Parallel testing in TestNG allows running tests concurrently for faster execution.
• Use 'parallel' attribute in testng.xml file to specify parallel execution mode.

• Set 'parallel' attribute to 'methods', 'classes', or 'tests' based on the level of parallelism needed.

• Example: <suite name='MySuite' parallel='tests'>

• Use 'thread-count' attribute to specify the number of threads to use for parallel execution.
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Q8. Difference between parallel methods and parallel tests
Ans. 
Parallel methods run multiple methods concurrently within a single test, while parallel tests run multiple tests concurrently.
• Parallel methods execute multiple methods within a single test class concurrently.

• Parallel tests execute multiple test classes concurrently.

• Parallel methods are useful for speeding up the execution of a single test, while parallel tests are useful for running multiple tests faster.

• Example: Runni...read more
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Q9. Upload file using rest assured
Ans. 
Use Rest Assured to upload a file
• Use the given file path to create a File object

• Use MultiPartSpecBuilder to build the request with the file

• Send the request using Rest Assured's given(), when(), and post() methods
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Q10. Postman basic questions
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Q11. Parameter for post method in postman
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The parameter for a POST method in Postman is typically sent in the request body.
• Parameters are sent in the request body in key-value pairs

• Parameters can be sent as form-data, x-www-form-urlencoded, or raw JSON

• Example: {"key": "value"}
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Q12. BDD Framework cucumber
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Q13. Cucumber execution process
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Q14. How cucumber know step defination file placed
Ans. 
Cucumber knows the step definition file based on the annotations provided in the feature files.
• Cucumber uses annotations like @Given, @When, @Then to map steps in feature files to corresponding step definition methods.

• Step definition files are typically placed in a separate package or directory within the project structure.

• Cucumber scans the project directory for step definition files based on the package structure and
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Q15. Parameters used in cucumber
Ans. 
Parameters used in cucumber are used to pass values to the step definitions in feature files.
• Parameters are defined in feature files using < > syntax

• Parameters can be passed to step definitions using Regular Expressions

• Parameters can be used to make scenarios more reusable and dynamic
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Q16. Datatable in cucumber
Ans. 
Datatable in Cucumber is used to pass multiple sets of data to a step definition in a scenario.
• Datatables are defined using pipes (|) to separate values

• Each row in the datatable represents a set of data passed to the step definition

• Datatables can be used for parameterization and data-driven testing
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Q17. Have u created the testplan document when porject was started
Ans. 
Yes, I have created the test plan document at the start of the project.
• Yes, I always create a test plan document at the beginning of a project to outline the testing approach and strategy.

• The test plan document includes details on scope, objectives, resources, schedule, and test cases.

• It helps in ensuring that all stakeholders are aligned on the testing process and expectations.

• For example, in my previous project, I cr...read more
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Q18. Testing cycle when project was on initial level
Ans. 
During the initial testing cycle of a project, focus is on establishing test cases, setting up test environments, and identifying potential issues.
• Creating test cases based on requirements

• Setting up test environments

• Identifying potential issues and risks

• Executing test cases and reporting defects

• Collaborating with developers to resolve issues
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Q19. Risk management and risk based testing
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Q20. Which estimate technique you follow , if fibonacci then why it is in 1 2 3 5 8 13 ?? Not in 12345678
Ans. 
Fibonacci sequence is a mathematical pattern where each number is the sum of the two preceding ones.
• Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones.

• The sequence starts with 1, 2, then each subsequent number is the sum of the two previous numbers (1+2=3, 2+3=5, 3+5=8, and so on).

• This sequence is used in estimating because it reflects natural growth patterns found in natur
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Q21. What is testing matrix and automation ROI
Ans. 
Testing matrix is a tool used to track test coverage and automation ROI is the return on investment from implementing automation testing.
• Testing matrix is a visual representation of test cases, test scenarios, and their coverage across different platforms, browsers, devices, etc.

• Automation ROI is the measure of the benefits gained from automation testing compared to the costs incurred in implementing and maintaining th...read more
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Q22. Cicd tool
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Q23. Handle team ?
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Q1. What is your with career ?
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Q2. What is your graduation background.
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Q1. Motivation and career goals
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Q2. Why are you intrestedin this position ?
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Q1. What motivation ypu tp perfrom well at work ?
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Q2. What are your biggest weaknesses.
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Q1. Work ethic and adaptabllity.
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Q2. How do you handle pressure and deadlines ?
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Q1. Why did you choose this career
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Q2. What are your greatest strenth
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Q1. What is your graduation background
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Q2. What is your collage name
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Q1. How do you plan to overcome your weakness
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Q2. Why are you intrested in this position
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Work done from all assigments

Q1. What is the architecture of the Java Virtual Machine (JVM)?
Ans. 
The Java Virtual Machine (JVM) is an abstract computing machine that enables a computer to run Java programs.
• JVM is platform-independent and converts Java bytecode into machine code.

• It consists of class loader, runtime data areas, execution engine, and native method interface.

• JVM memory is divided into method area, heap, stack, and PC register.

• Examples of JVM implementations include Oracle HotSpot, OpenJ9, and GraalVM.
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Q2. What is the default connection pooling in Spring Boot, and how can it be customized?
Ans. 
The default connection pooling in Spring Boot is HikariCP, which can be customized through properties in the application.properties file.
• HikariCP is the default connection pooling library in Spring Boot, known for its high performance and low overhead.

• To customize the connection pooling, you can modify properties like 'spring.datasource.hikari.*' in the application.properties file.

• For example, you can set maximum pool ...read more
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Q3. What are the best practices for optimizing a Spring Boot application?
Ans. 
Best practices for optimizing a Spring Boot application
• Use Spring Boot Actuator to monitor and manage application performance

• Implement caching mechanisms like Spring Cache to reduce database calls

• Optimize database queries and indexes for better performance

• Use asynchronous processing with Spring's @Async annotation for non-blocking operations

• Profile and analyze application performance using tools like VisualVM or JProfi
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Q4. What is a heap dump, and how can it be used to identify memory leaks?
Ans. 
A heap dump is a snapshot of the memory usage of a Java application at a specific point in time.
• Heap dumps can be generated using tools like jmap or VisualVM.

• They provide detailed information about objects in memory, their sizes, and references.

• Analyzing a heap dump can help identify memory leaks by pinpointing objects that are consuming excessive memory.

• Common signs of memory leaks in a heap dump include a large numbe...read more
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Q5. How can you diagonally iterate through and print the elements of a 2D array?program
Ans. 
Diagonally iterate through and print elements of a 2D array of strings.
• Use nested loops to iterate through rows and columns of the 2D array.

• Calculate the diagonal elements by incrementing row and column indices together.

• Print the elements as you iterate through the diagonal of the array.
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