Infogain Trainee Interview Questions and Answers

Basic questions on oops and sql queries

Q1. SQL Query on many to many table and aggregations
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Q2. OOPS concepts and SpringBoot
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Was a bit difficult, would suggest preparing thoroughly for aptitude and reasoning .

Q1. Basic questions from resume, few basic questions from DSA. How to remove duplicates from an array.
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Q2. Java oops related questions and one coding question
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Q1. This was the easiest of all, interviewer asked generic hr questions.
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Q1. Self introduction
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2 Coding rounds with medium difficulty questions

Q1. Given a problem statement and you pair with interviewer to solve it in real time
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Q1. Technical interview mostly based on your experiences and language mentioned in the resume
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Q1. Cultural alignment round , who you see social change around you
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Q1. Oops concepts, Encapsulation, Abstraction in detail with example
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Q2. Types of beans in Java
Ans. 
Java has two types of beans: stateful and stateless beans.
• Stateful beans maintain conversational state with the client, while stateless beans do not.

• Stateful beans are typically used for long-running conversations, while stateless beans are used for short-lived operations.

• Examples of stateful beans include session beans, while examples of stateless beans include message-driven beans.
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Q1. Code to sort an Array in ascending order
Ans. 
Use a sorting algorithm like bubble sort or quicksort to arrange elements in ascending order.
• Use a sorting algorithm like bubble sort, quicksort, or merge sort to rearrange elements in ascending order.

• For example, you can implement bubble sort to compare adjacent elements and swap them if they are in the wrong order.

• Another example is using quicksort to divide the array into smaller subarrays and recursively sort them.
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Q2. Find the second greatest number in an array
Ans. 
Iterate through the array to find the second greatest number.
• Iterate through the array and keep track of the greatest and second greatest numbers.

• Compare each element with the current greatest and second greatest numbers.

• Update the second greatest number if a new number is found that is greater than the current second greatest but less than the greatest.
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It was simple apti and coding test
some apti questions and 2 coding

Q1. Basic OOPs related Java related questions as I told them I am proficient in Java
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Q1. Just normal discussion
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