Oracle Senior Engineer Interview Questions and Answers

Sort the arr, fetch element from array

Q1. Linklist search
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Q2. Sort in link List
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Sorting in a linked list involves rearranging the elements in ascending or descending order based on a certain criteria.
• Use a sorting algorithm like bubble sort, selection sort, or merge sort to rearrange the elements in the linked list.

• Traverse the linked list and compare each element with the next one to determine the order in which they should be sorted.

• Update the pointers of the nodes in the linked list to reflect ...read more
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Hackerrank coding & techinical interview test

Q1. General SOM and FEA questions Hypermesh related questions
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Q1. Question on trie
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Q2. Question on intervals
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Traverse through a matrix of uppercase english alphabets to find a given word. you are allowed to make up to k jumps, and same position can be repeated too.

Q1. Compression of 0-1 matrix of particular size.
Ans. 
Compression of 0-1 matrix involves reducing the size of the matrix by storing only the necessary information.
• Use run-length encoding to compress the matrix by storing consecutive repeated values as a single value and count.

• Identify patterns in the matrix that can be represented more efficiently.

• Consider using sparse matrix representation if the matrix has a lot of zeros.

• Implement efficient algorithms to compress and de...read more
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Q1. Experience on AWS and spring boot
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Q2. Principles to be followed while designing microservices application
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Design microservices with loose coupling, high cohesion, and fault tolerance.
• Decompose the application into small, independent services

• Use API gateways for service discovery and routing

• Implement fault tolerance with circuit breakers and retries

• Ensure each service has a single responsibility and is highly cohesive

• Use asynchronous communication between services

• Implement security and authentication at the API gateway leve...read more
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