Staff Development For Educators Software Development Engineer II Interview Questions and Answers

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Q1. Reverse a linkded list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, previous, and next

• Iterate through the list, updating pointers to reverse the direction

• Return the new head of the reversed list
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Q2. Print fibonacci series
Ans. 
The Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Start with two variables initialized to 0 and 1

• Loop through desired number of iterations, adding the previous two numbers to get the next number

• Print or store each number in the series
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Q1. Questions related to Java, AWS, Microservices
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Q2. Program to find 2 biggest number in array
Ans. 
Program to find 2 biggest numbers in array of strings
• Iterate through the array and convert each element to integer

• Keep track of the two biggest numbers found so far

• Return the two biggest numbers at the end
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Q1. Java related questions
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Q2. Design patterns
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Q1. Explain request lifecycle in rails?
Ans. 
Request lifecycle in Rails involves routing, controller actions, rendering views, and responding to the client.
• 1. Request comes in through the browser or API endpoint.

• 2. Rails router determines which controller and action to route the request to.

• 3. Controller action processes the request, interacts with the model, and prepares data for the view.

• 4. View template is rendered with the data from the controller.

• 5. Response ...read more
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Q2. Code Merge Sort using Ruby
Ans. 
Implement Merge Sort algorithm in Ruby
• Divide the array into two halves recursively

• Merge the sorted halves back together

• Use a helper method to merge the two halves
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Q1. Whats difference between patch and put
Ans. 
Patch is used to update a specific part of a resource, while put is used to replace the entire resource.
• Patch is used for partial updates, while put is used for full updates.

• Patch is idempotent, meaning multiple identical patch requests will have the same effect as a single request, while put is not necessarily idempotent.

• Example: Using patch to update the title of a blog post without affecting other fields, while usin...read more
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Q1. Concepts of node and Js
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Q1. 2 sum problem on number
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Q1. Json data manipulation
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Q1. Normal hr question
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Q1. Tell me about yourself
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Q2. Coding Question
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Q1. Tell me about yourself
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Q2. Salary discussion
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Visual Reasoning questions

Mostly string based questions

Q1. Salary expectations
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Q2. Immediate joining
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