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Optum Global Solutions Software Developer Interview Questions and Answers for Freshers
19 Interview questions
Debouncing is a technique used to limit the rate at which a function is called.
Use a timer to delay the execution of a function until a certain amount of time has passed without the function being called again.
Reset the timer each time the function is called to prevent it from being executed multiple times in quick succession.
Debouncing is commonly used in scenarios like handling button clicks to prevent multiple ...
Closures in JavaScript are functions that have access to variables from their outer scope even after the outer function has finished executing.
Closures allow for maintaining state in an asynchronous environment.
They are created whenever a function is defined within another function.
Closures can be used to create private variables and functions in JavaScript.
To change work object status of multiple cases from pending to closed.
Identify the cases that need to be closed
Update the status of each case to closed
Save the changes made to the cases
Use a loop to perform the above steps for multiple cases
Example: Use a query to identify all cases with pending status and update their status to closed
Blocked rules are carry forward to ensure consistency and prevent errors in future processing.
Blocked rules are rules that have been prevented from executing due to certain conditions not being met.
These rules are carried forward to ensure that they are not missed in future processing.
This helps to maintain consistency and prevent errors in the system.
For example, if a rule is blocked due to a missing data field, ...
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Append to adds an element to a list while append to map adds a key-value pair to a map.
Append to is used for lists while append to map is used for maps.
Append to adds an element to the end of the list while append to map adds a key-value pair to the map.
Append to map can also update the value of an existing key in the map.
Queue processor manages tasks in a queue while job scheduler schedules tasks based on time or event triggers.
Queue processor manages tasks in a queue and processes them in a first-in, first-out (FIFO) order.
Job scheduler schedules tasks based on time or event triggers, and can prioritize tasks based on their importance.
Queue processor is typically used for real-time processing of tasks, while job scheduler is used...
Privileges are permissions granted to users or processes to perform specific actions or access certain resources.
Privileges are used to control access to sensitive data or critical system resources.
They can be assigned to individual users or groups.
Examples include read, write, execute, and delete permissions.
Privileges can also be used to restrict access to certain functions or features within an application.
With...
obj open vs obj open by handle
obj open opens a file and returns a file object
obj open by handle opens a file using a file descriptor
obj open by handle is faster than obj open
obj open by handle is used when you already have a file descriptor
Superclass data transform checkbox is used to inherit data transform rules from a parent class.
When checked, the subclass will inherit the data transform rules from the superclass
This can save time and effort in creating duplicate data transform rules
Example: A superclass has a data transform rule to convert a date format, when the checkbox is checked in a subclass, it will also use the same rule
This checkbox is a...
Longest Palindromic Substring Problem Statement
You are provided with a string STR of length N. The task is to find the longest palindromic substring within STR. If there are several palindromic substrings...
Find the longest palindromic substring in a given string.
Iterate through the string and expand around each character to find palindromes
Keep track of the longest palindrome found so far
Return the longest palindromic substring
Optum Global Solutions Software Developer Interview Experiences for Freshers
7 interviews found
Anonymous
Basic aptitude number theory
Abhishek Tyagi
Selected
I applied via LinkedIn and was interviewed before Aug 2023. There were 2 interview rounds.
Code on de bounce and coding on closer
(2 Questions)
- Q1. What are closer in js
- Ans.
Closures in JavaScript are functions that have access to variables from their outer scope even after the outer function has finished executing.
Closures allow for maintaining state in an asynchronous environment.
They are created whenever a function is defined within another function.
Closures can be used to create private variables and functions in JavaScript.
- Q2. Write a code on debouncing
- Ans.
Debouncing is a technique used to limit the rate at which a function is called.
Use a timer to delay the execution of a function until a certain amount of time has passed without the function being called again.
Reset the timer each time the function is called to prevent it from being executed multiple times in quick succession.
Debouncing is commonly used in scenarios like handling button clicks to prevent multiple rapid...
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed before Mar 2021. There were 2 interview rounds.
(9 Questions)
- Q1. What is the difference between obj open and obj open by handle
- Ans.
obj open vs obj open by handle
obj open opens a file and returns a file object
obj open by handle opens a file using a file descriptor
obj open by handle is faster than obj open
obj open by handle is used when you already have a file descriptor
- Q2. How to change the work object status of the multiple cases from pending to closed.
- Ans.
To change work object status of multiple cases from pending to closed.
Identify the cases that need to be closed
Update the status of each case to closed
Save the changes made to the cases
Use a loop to perform the above steps for multiple cases
Example: Use a query to identify all cases with pending status and update their status to closed
- Q3. Why blocked rules are carry forward
- Ans.
Blocked rules are carry forward to ensure consistency and prevent errors in future processing.
Blocked rules are rules that have been prevented from executing due to certain conditions not being met.
These rules are carried forward to ensure that they are not missed in future processing.
This helps to maintain consistency and prevent errors in the system.
For example, if a rule is blocked due to a missing data field, it wi...
- Q4. What is the use of previliges
- Ans.
Privileges are permissions granted to users or processes to perform specific actions or access certain resources.
Privileges are used to control access to sensitive data or critical system resources.
They can be assigned to individual users or groups.
Examples include read, write, execute, and delete permissions.
Privileges can also be used to restrict access to certain functions or features within an application.
Without p...
- Q5. Last Project related questions
- Q6. SLA related questions
- Q7. Queue processor and job schedule difference
- Q8. Difference between append to and append to map to
- Ans.
Append to adds an element to a list while append to map adds a key-value pair to a map.
Append to is used for lists while append to map is used for maps.
Append to adds an element to the end of the list while append to map adds a key-value pair to the map.
Append to map can also update the value of an existing key in the map.
- Q9. Use of superclass data transform check box
- Ans.
Superclass data transform checkbox is used to inherit data transform rules from a parent class.
When checked, the subclass will inherit the data transform rules from the superclass
This can save time and effort in creating duplicate data transform rules
Example: A superclass has a data transform rule to convert a date format, when the checkbox is checked in a subclass, it will also use the same rule
This checkbox is availa...
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview in Nov 2020.
(1 Question)
Round duration - 90 minutes
Round difficulty - Medium
It was around 4 pm in the evening and it includes both MCQs and coding questions. Hackerrank platform was user friendly and good.
- Q1.
Maximum XOR Problem Statement
You are given an integer
X. Your goal is to find an integerYsuch that the bitwise XOR ofXandYyields the maximum possible value. The integerYmust not exceed 2305843009... - Ans.
Find an integer Y such that XOR of X and Y yields maximum value within given constraints.
Iterate through each test case and find the maximum possible Y by flipping all bits of X except the most significant bit.
The maximum value of Y is 2^61 - 1, which is 2305843009213693951.
Ensure that the obtained Y does not exceed the given constraints.
(2 Questions)
Round duration - 40 minutes
Round difficulty - Medium
30-40 minutes interview round.
- Q1.
Kth Largest Element Problem
Given an array containing
Ndistinct positive integers and a numberK, determine the Kth largest element in the array.Example:
Input:
N = 6, K = 3, array = [2, 1, 5, 6, 3, ...
- Ans.
Find the Kth largest element in an array of distinct positive integers.
Sort the array in non-increasing order to easily find the Kth largest element.
Ensure all elements in the array are distinct for accurate results.
Handle multiple test cases efficiently by iterating through each case.
- Q2. How can you measure 9 minutes using only a 4-minute hourglass and a 7-minute hourglass?
(1 Question)
Round duration - 40 minutes
Round difficulty - Medium
Resume based round and some technical concepts were asked
- Q1. How can you find the 5th highest salary in a list of salaries using a SQL query?
- Ans.
Use SQL query with ORDER BY and LIMIT to find the 5th highest salary.
Use ORDER BY clause to sort salaries in descending order
Use LIMIT 4,1 to skip the first 4 salaries and get the 5th highest salary
Round duration - 20 minutes
Round difficulty - Easy
Easiest of all was the HR round.
Interview Preparation Tips
Tip 1 : Practice DSA as much as you can, try solving medium level questions because a clear understanding of DSA is a must.
Tip 2 : Do concepts of DBMS theoretical as well as SQL query, keep reviewing along with OOPs concepts.
Tip 3 : Few days before the interview practice and review OS important concepts along with networking.
Tip 1 : Make good projects that cover object-oriented as well as database concepts ( web, android, ML, or any other technology), do at least 2 major projects for a good resume
Tip 2 : Make it simple and be honest, only mention what you know also it is good to mention both technical and non-technical skills.
Skills evaluated in this interview
I appeared for an interview before Dec 2020.
(1 Question)
Round duration - 75 minutes
Round difficulty - Medium
- Q1.
Array Intersection Problem Statement
Given two integer arrays/ lists
ARR1andARR2of sizesNandMrespectively, you are required to determine their intersection. An intersection is defined as the set of... - Ans.
Find the intersection of two integer arrays/lists in the order they appear in the first array/list.
Iterate through the elements of the first array/list and check if they exist in the second array/list.
Use a hash set to store elements of the first array/list for efficient lookups.
Print the common elements in the order they appear in the first array/list.
(1 Question)
Round duration - 40 minutes
Round difficulty - Medium
- Q1.
Longest Palindromic Substring Problem Statement
You are provided with a string
STRof length N. The task is to find the longest palindromic substring withinSTR. If there are several palindromic substring... - Ans.
Find the longest palindromic substring in a given string.
Iterate through the string and expand around each character to find palindromes
Keep track of the longest palindrome found so far
Return the longest palindromic substring
Round duration - 30 minutes
Round difficulty - Medium
Interview Preparation Tips
Tip 1 : Practice coding questions
Tip 2 : Prepare data structures well
Tip 1 : Mention good projects
Tip 2 : Do not put false information
Skills evaluated in this interview
I appeared for an interview in Oct 2020.
(1 Question)
Round duration - 75 min
Round difficulty - Medium
This round was MCQ and coding round. 25 MCQs and one coding question were asked. MCQs were based on OS, DBMS, Aptitude and Data Structures.
- Q1.
Minimum Days to Complete Work
You have 'N' tasks to complete. Each task can only be done on one of two specific days provided in two arrays:
day1andday2.For each task i,
day1[i]represents the earliest... - Ans.
Find the minimum number of days required to complete all tasks given specific completion days for each task.
Sort the tasks based on day1 in ascending order.
For each task, choose the minimum of day1 and day2 as the completion day.
Keep track of the maximum completion day for each task.
The final answer is the maximum completion day of all tasks.
(1 Question)
Round duration - 30 min
Round difficulty - Easy
This was a Data Structural round. Only one coding question was asked by the interviewer. The interviewer was very friendly. This round was very easy.
- Q1.
Bubble Sort Problem Statement
Sort the given unsorted array consisting of N non-negative integers in non-decreasing order using the Bubble Sort algorithm.
Input:
The first line contains an integer 'T' r...
- Ans.
Bubble Sort algorithm is used to sort an array of non-negative integers in non-decreasing order.
Implement the Bubble Sort algorithm to sort the array in place.
Compare adjacent elements and swap them if they are in the wrong order.
Repeat this process until the array is sorted.
Time complexity of Bubble Sort is O(n^2) in the worst case.
Example: For input [6, 2, 8, 4, 10], the output should be [2, 4, 6, 8, 10].
Interview Preparation Tips
Tip 1 : Be confident!
Tip 2 : Maintain high Cgpa
Tip 3 : Do your best
Tip 1 : Mention clear points
Tip 2 : Atleast 3 projects and never put anything you have not revised
Skills evaluated in this interview
I appeared for an interview before Sep 2020.
(1 Question)
Round duration - 75 minutes
Round difficulty - Medium
It was in the evening.
It consisted of 26 questions of easy to hard level.
It consisted of 25 MCQs and only 1 coding problem.
- Q1.
Author and Books Formatting
Given a structured list of books and their authors, format the information as specified.
Input:
The first line of input contains an integer ‘T' representing the number of tes... - Ans.
The task is to format a list of authors and their books in a specific way as per the given input format.
Parse the input to extract the number of test cases, number of authors, author names, and their respective books.
Format the output by printing the author names and their books in the specified format.
Ensure correct sequence and labeling of authors and books as per the example provided.
Handle multiple test cases and a...
(1 Question)
Round duration - 15 minutes
Round difficulty - Medium
It was more of CV based round. A brief discussion on projects was there followed by some questions like why optum.
- Q1.
Delete a Node from a Linked List
You are provided with a linked list of integers. Your task is to implement a function that deletes a node located at a specified position 'POS'.
Input:
The first line co... - Ans.
Implement a function to delete a node from a linked list at a specified position.
Traverse the linked list to find the node at the specified position.
Update the pointers of the previous and next nodes to skip the node to be deleted.
Handle edge cases such as deleting the head or tail of the linked list.
Ensure to free the memory of the deleted node to avoid memory leaks.
(1 Question)
Round duration - 15 minutes
Round difficulty - Easy
A short round where some basic dbms questions like procedure, cursor were asked. Then some questions on whether I would prefer working alone or in a team. Where I see myself in 5 years.
- Q1.
Graph Coloring Problem
You are given a graph with 'N' vertices numbered from '1' to 'N' and 'M' edges. Your task is to color this graph using two colors, such as blue and red, in a way that no two adjacen...
- Ans.
Given a graph with 'N' vertices and 'M' edges, determine if it can be colored using two colors without adjacent vertices sharing the same color.
Use graph coloring algorithm like BFS or DFS to check if the graph can be colored with two colors without conflicts.
Check if any adjacent vertices have the same color. If so, it is not possible to color the graph as described.
If the graph has connected components, color each co...
Interview Preparation Tips
Tip 1 : Projects do not matter much for this company.
Tip 2 : I did almost all the puzzles from Interviewbit.
Tip 3 : DBMS is really important. Practice queries in SQL thoroughly. You should know the use of limit and top also. It may be asked to write the same query in more than 1 form.
Tip 4 : Practice all the data structures. Questions were simple and you should know the basics of every data structure.
Tip 1 : Don't write anything just for the sake of it.
Tip 2 : If you are writing some project then be thorough with all the details. If you are not much confident, then simply remove it and focus on other subjects.
Skills evaluated in this interview
Interview questions from similar companies
I applied via LinkedIn and was interviewed before Jul 2021. There were 2 interview rounds.
Easy logical questions
basic quant
Easy level coding questions
Counting frequency of alphabets
Interview Preparation Tips
Hoisting
Siddhesh Hirulkar
Interview Questionnaire
1 Question
- Q1. How to use multiple dispatch in redux?
- Ans.
Multiple dispatch is not a feature of Redux. It can be achieved using middleware or custom logic.
Middleware like redux-thunk or redux-saga can be used to dispatch multiple actions based on a single action.
Custom logic can be implemented in the reducer to handle multiple actions based on a single action type.
For example, a single 'ADD_ITEM' action can trigger multiple actions like 'UPDATE_TOTAL', 'UPDATE_HISTORY', etc.
M...
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Sep 2019. There were 6 interview rounds.
Interview Questionnaire
3 Questions
- Q1. IQ Test
- Q2. Machine Test
- Q3. Face To Face
Interview Preparation Tips
1. IQ Test
2. Machine Test
3. Face to Face
IQ Test is not so tough but prepare well Machine Test
Machine Test Question are like :-
Q.1 - We declare a variable in C++ like "is_this_a_variable" and in Java like "IsThisAVariable". There is underscore in between every word and first alphabet of every word is in lowercase in C++ and in Java first alphabet is in capital without underscore. Create a program in which if user input a string in a C++ variable format it will convert the input in java variable format.
Q2. Count the frequency of a string.
user input string - pqhphi
output-
p - 2
q - 1
h - 2
i - 1
Be strong in algorithms and data structure.
Optum Global Solutions Interview FAQs
Some of the top questions asked at the Optum Global Solutions Software Developer interview for freshers -
The duration of Optum Global Solutions Software Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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based on 2 interview experiences
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