Infor Global Solution Interview Questions, Process, and Tips

Q1. Programs related to arrays like, to check two arrays are equal or not, find duplicates in an array and binary search algorithm implementation
Ans. 
Implement programs to check array equality, find duplicates, and perform binary search algorithm in Java.
• To check if two arrays are equal, compare each element in both arrays.

• To find duplicates in an array, use a HashSet to store unique elements and identify duplicates.

• For binary search algorithm implementation, ensure the array is sorted and recursively divide the array to find the target element.
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Q2. SQL queries related to joins and other basic SQL queries
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Q3. Hashing algorithm
Ans. 
Hashing algorithm is a method used to convert data into a fixed-size string of bytes.
• Hashing algorithms are used to map data of arbitrary size to fixed-size values.

• They are commonly used in data structures like hash tables for fast data retrieval.

• Examples of hashing algorithms include MD5, SHA-1, and SHA-256.
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Q1. Explain OOPS concept and how you apply it in your implementation
Ans. 
OOPS is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOPS focuses on the concept of classes and objects

• Encapsulation: bundling data and methods that operate on the data within a single unit

• Inheritance: allows a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for diffe...read more
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Q2. Difference between Comparable and Comparator. Difference between Abstract Class and Interface
Ans. 
Comparable is an interface used for natural ordering, Comparator is an interface used for custom ordering. Abstract class can have method implementations, Interface cannot.
• Comparable interface is used to define the natural ordering of objects. Example: String class implements Comparable interface for natural ordering based on alphabetical order.

• Comparator interface is used to define custom ordering of objects. Example:...read more
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Q3. Given a string. Find the number of occurrences of each character
Ans. 
Count occurrences of each character in a given string
• Create an array to store the count of each character

• Iterate through the string and increment the count of each character in the array

• Return the array with counts for each character
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Q4. Given an array. Remove the number of duplicates
Ans. 
Remove duplicates from an array of strings
• Iterate through the array and store each element in a set to keep track of unique values

• Create a new array with the unique values from the set
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Q5. Given a student object having name and grade data variables. Sort the object on the basis of highest grade.
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Q1. Internal working of hashmap
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Q2. What are collections
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Q3. What are design Patterns explain singleton design pattern
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Q4. What annotations did you use in spring boot. how @transaction annotation works
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Q1. Asked 2 puzzles
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Q2. What is vertical scaling and horizontal scaling
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Q1. Salary Discussion
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Q1. Why did you choose infor
Ans. 
I chose Infor because of its reputation for innovative technology solutions and its commitment to employee development.
• Infor is known for its cutting-edge technology solutions in the industry.

• I was impressed by Infor's focus on employee growth and development opportunities.

• I believe Infor's values align with my own professional goals and aspirations.
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Q2. Explain how you work under stress
Ans. 
I thrive under pressure by staying organized, prioritizing tasks, and maintaining a positive attitude.
• I stay organized by creating to-do lists and breaking down tasks into manageable steps.

• I prioritize tasks based on deadlines and importance to ensure that critical work is completed first.

• I maintain a positive attitude by taking short breaks to recharge, practicing deep breathing exercises, and seeking support from col
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Q1. Everything mentioned on CV
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Q2. Some coding questions
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Q1. Same questions as first interview but deeper approach
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Q2. Coding is involved again
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Coding skills in python

Q1. Whre do yo use python
Ans. 
Python is used in various areas such as web development, data analysis, automation, machine learning, and more.
• Web development (Django, Flask)

• Data analysis (Pandas, NumPy)

• Automation (Scripting, DevOps tools)

• Machine learning (TensorFlow, PyTorch)
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Q2. What are all important Devops tools
Ans. 
Some important DevOps tools include Jenkins, Docker, Ansible, Kubernetes, and Git.
• Jenkins

• Docker

• Ansible

• Kubernetes

• Git
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Q1. Are you willing to work in shifts
Ans. 
Yes, I am willing to work in shifts.
• I am flexible with my working hours and can adapt to different shifts.

• I understand the importance of round-the-clock support in a DevOps role.

• I have previous experience working in shifts and have no issues with it.
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Q2. What are your sal expectation
Ans. 
My salary expectation is based on my experience, skills, and the market rate for DevOps Engineers.
• I have researched the average salary range for DevOps Engineers in this location.

• I am looking for a competitive salary that reflects my expertise in the field.

• I am open to negotiation based on the overall compensation package offered.
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Q1. Explain OOPS concepts
Ans. 
OOPS concepts refer to Object-Oriented Programming concepts which include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation...read more
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Q2. Explain Hashmap internals
Ans. 
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.

• Each bucket can store multiple entries, handling collisions with linked lists or balanced trees.

• Hashing is used to convert keys into indices in the array, allowing for fast retrieval of values.

• HashMap allows for constant-time operations for basic operations li...read more
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Q1. What are your salary expectations and previous experience?
Ans. 
My salary expectations are in line with industry standards based on my 5 years of experience in DevOps roles.
• Salary expectations are based on industry standards and my level of experience

• I have 5 years of experience in DevOps roles

• Previous salary range was $80,000 - $100,000 per year
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Q1. Debugging a broken Dockerfile
Ans. 
Debugging a broken Dockerfile involves identifying and fixing errors in the Dockerfile code.
• Check for syntax errors in the Dockerfile code

• Ensure that all necessary dependencies are properly installed

• Use the 'docker build' command with the '--debug' flag to get more detailed error messages

• Check the build logs for any specific error messages or warnings

• Consider using a Dockerfile linter to identify common issues
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