Infor Global Solution Software Engineer Interview Questions, Process, and Tips

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. Container with most water
Ans. 
The container with most water problem involves finding the maximum area that can be formed between two vertical lines by selecting two points on a line.
• Start with two pointers at the beginning and end of the array.

• Calculate the area between the two pointers using the formula min(height[left], height[right]) * (right - left).

• Move the pointer with the smaller height towards the center to potentially increase the area.

• Rep
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Q2. Maximum subarray with 0 sum
Ans. 
Find the maximum subarray with a sum of 0 in an array.
• Iterate through the array and keep track of the running sum.

• Store the running sum in a hashmap along with the index.

• If the running sum is seen again, the subarray between the two occurrences has a sum of 0.
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Q1. Oops concepts,class object
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Q2. Coding,oops, projects,git hub
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Q3. Git hub,oops,c sharp
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Q1. Oops ,c sharp,mysql
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JQuery, html, CSS,oops