Enverus Inc Interview Questions and Answers

Aptitude Had around 50 Questions which cover Logical,Quantitative, Code snippets

Q1. Two Sum in Coding
Ans. 
Find two numbers in an array that add up to a specific target value.
• Use a hashmap to store the difference between the target value and each element in the array.

• Iterate through the array and check if the current element's complement exists in the hashmap.

• Return the indices of the two numbers that add up to the target value.
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Q2. Differences in final,Finally,Finalize
Ans. 
final, finally, and finalize are related terms in programming but have different meanings and usage
• final is a keyword in Java used to restrict inheritance, method overriding, and variable reassignment

• finally is a block of code in exception handling that always executes, regardless of whether an exception is thrown

• finalize is a method in Java used for cleanup operations before an object is garbage collected
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Q3. Basic Sql operations
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Q1. Array List Implementation in Stack for Push and pop
Ans. 
Array List can be implemented in a stack by using an array and keeping track of the top element.
• Create an array to store the elements of the stack.

• Keep track of the top element using a variable.

• For push operation, add the element to the top of the stack and increment the top index.

• For pop operation, remove the top element and decrement the top index.
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Q2. Finding 3rd Largest Number in an Array without using Sort
Ans. 
Find 3rd largest number in array without sorting
• Iterate through array to find largest, 2nd largest, and 3rd largest numbers

• Keep track of these numbers as you iterate

• Return the 3rd largest number found
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Q3. Finding the min number of Swap in Sorting of Array
Ans. 
To find the minimum number of swaps needed to sort an array
• Use graph theory to find cycles in the array

• Count the number of swaps needed to fix each cycle

• Add up the swaps needed for all cycles to get the total minimum swaps
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Q1. Explain HR core operating principles and workforce metrics that strengthen the Value preposition of workforce.
Ans. 
HR core operating principles and workforce metrics enhance the value proposition of the workforce by aligning HR strategies with business goals.
• HR core operating principles include fairness, transparency, compliance, and continuous improvement.

• Workforce metrics such as turnover rate, employee engagement, productivity, and diversity can help measure the effectiveness of HR strategies.

• By focusing on these principles and ...read more
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Q2. Unique Challenges Faced from the Business Stakeholders and solution approached.
Ans. 
Business stakeholders often have unique challenges that require tailored solutions from an Associate HRBP Lead.
• Building strong relationships with stakeholders to understand their needs and concerns

• Customizing HR strategies and solutions to align with business goals

• Providing proactive communication and support to address stakeholder challenges

• Collaborating with cross-functional teams to implement effective solutions

• Leve...read more
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Q1. Fibonacci, swap without 3rd var
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Q2. Non repetitive char in string
Ans. 
Find the first non-repetitive character in a string.
• Iterate through the string and count the occurrences of each character.

• Return the first character with a count of 1.
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Scenario based questions

Machine coding round

Q1. TCP/IP related questions, what happens when you search a webpage?
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Q2. Past projects discussions
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Q1. Behavioural questions on how would you tackle a particular scenario
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Basic DSA linked list, stack etc

System design food delivery application

Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Team player with excellent communication skills
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Q2. Why Appviewx and what do u know about it
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60mins test duration

Q1. What are Linux commands
Ans. 
Linux commands are instructions given to the operating system to perform specific tasks or operations.
• Linux commands are case-sensitive

• Commands are typically entered in the terminal

• Common commands include ls (list files), cd (change directory), mkdir (make directory)

• Commands can be combined with options and arguments for more specific actions
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Q2. What is virtualization concept
Ans. 
Virtualization is the process of creating a virtual version of a device or resource, such as a server, storage device, network or operating system.
• Virtualization allows multiple virtual instances to run on a single physical machine

• It helps in optimizing resources and improving efficiency

• Examples include VMware for server virtualization, VirtualBox for desktop virtualization
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Q1. SQL queries and differences b/w delete and truncate
Ans. 
Delete and truncate are SQL commands used to remove data from a table, but with key differences.
• DELETE is a DML command used to remove specific rows from a table based on a condition.

• TRUNCATE is a DDL command used to remove all rows from a table, resetting auto-increment values.

• DELETE can be rolled back, while TRUNCATE cannot be rolled back.

• DELETE triggers ON DELETE triggers, while TRUNCATE does not trigger any trigger...read more
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Q2. What is cloud and aws
Ans. 
Cloud computing is the delivery of computing services like servers, storage, databases, networking, software, analytics, and intelligence over the internet.
• AWS (Amazon Web Services) is a popular cloud computing platform offered by Amazon.

• Cloud computing allows users to access resources on-demand without the need for physical infrastructure.

• AWS provides a wide range of services such as EC2 (Elastic Compute Cloud), S3 (S...read more
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Q1. Smoke and sanity
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Q2. What is Agile and safe agile
Ans. 
Agile is a project management methodology focused on iterative development and collaboration. SAFe Agile is a framework for scaling Agile to larger organizations.
• Agile emphasizes flexibility, collaboration, and customer feedback.

• SAFe Agile extends Agile principles to larger organizations by providing a framework for scaling Agile practices.

• SAFe Agile includes roles like Release Train Engineer, Product Owner, and Scrum ...read more
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Q1. Biggest Strength
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Q2. What is Weakness
Ans. 
Weakness is a lack of strength or energy, a vulnerability or flaw.
• Weakness can be physical, such as muscle fatigue or illness.

• Weakness can also be mental, such as lack of confidence or indecisiveness.

• Identifying weaknesses can help in personal growth and development.

• Examples: feeling tired after a long day at work, struggling with public speaking due to nerves.
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Q1. Is java 100% Object Oriented
Ans. 
No, Java is not 100% Object Oriented due to the presence of primitive data types.
• Java has primitive data types like int, float, and boolean which are not objects.

• Static methods and variables do not require an instance of a class, breaking the pure object-oriented paradigm.

• Java also supports procedural programming features like control structures and arrays.
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Q2. No Java is not 100 % Object Oriented, its datatypes are not objects
Ans. 
Java is not 100% Object Oriented because its primitive data types are not objects.
• Java has primitive data types like int, double, boolean which are not objects and do not inherit from a common class.

• However, Java provides wrapper classes like Integer, Double, Boolean to treat primitives as objects.

• Java also supports features like inheritance, encapsulation, and polymorphism which are key aspects of Object Oriented Prog
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