Infor Global Solution Software Java Engineer Interview Questions and Answers

Round duration - 50 minutes
Round difficulty - Medium

Yes consist of two code and questions MCQ of ds ,algo,Linz,shell,English and DBMS
Test happens with your webcam access.

Q1. 
Nth Fibonacci Number Problem
Calculate the Nth term in the Fibonacci sequence using the formula: F(n) = F(n-1) + F(n-2) where F(1) = F(2) = 1.
Given a number N, determine the Nth Fibonacci number.
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Ans. 
Calculate the Nth Fibonacci number using the given formula and constraints.
• Implement a function to calculate the Nth Fibonacci number using the formula F(n) = F(n-1) + F(n-2) with base cases F(1) = F(2) = 1.

• Use dynamic programming or recursion to efficiently compute the Fibonacci number for large N values.

• Ensure the input N is within the constraints 1 <= N <= 10000.

• Example: For N = 5, the output should be 5 as th
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Round duration - 40 minutes
Round difficulty - Hard

Late night around at 8 pm 
Environmental is positive.
Interviewer made me feel positive

Q1. 
Priority Queue Implementation
Ninja is tasked with implementing a priority queue using the Heap data structure. Since Ninja is busy with tournament preparations, your help is requested to complete this ta...read more
Ans. 
Implement a priority queue using Heap data structure with functions like push, pop, getMaxElement, and isEmpty.
• Implement push() function to insert element into the priority queue.

• Implement pop() function to delete the largest element from the queue.

• Implement getMaxElement() function to return the largest element.

• Implement isEmpty() function to check if the queue is empty.
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Q2. You have 3 bulbs outside a room and 3 switches inside the room. The challenge is to determine which switch controls which bulb, with the constraint that you can only enter the bulb room once.
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Round duration - 10 Minutes
Round difficulty - Easy

Morning time
Positive environment
Nice interviewer

Q1. Advantage and disadvantage of framework.
Ans. 
Frameworks provide structure and pre-built components for software development, but can also limit flexibility and require learning curve.
• Advantage: Provides structure and pre-built components for faster development

• Advantage: Can improve code quality and maintainability

• Disadvantage: Can limit flexibility and customization

• Disadvantage: Requires learning curve and potential dependency issues

• Example: ReactJS provides a fr...read more
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Q1. What is Oops? Advantage and disadvantage
Ans. 
Oops stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent real-world entities.
• Advantages: code reusability, modularity, encapsulation, inheritance, polymorphism

• Disadvantages: complexity, steep learning curve, performance overhead

• Example: creating a class 'Car' with properties like 'make', 'model', and 'year', and methods like 'start_engine' and 'stop_engine'
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Data Structure related questions

Q1. Java related interview questions
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