John Deere Technical Trainee Engineer Interview Questions and Answers for Freshers

Q1. 1. Coding question related to Comparator. 2. Android Questions medium level. 3. Collection Framework Java. 4. OOPs concept related questions.
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Q1. Usual HR round for Relocation, Salary, etc. discussion.
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Some objective type question, One easy question on string, REsT API design in hackerank

Q1. Most of the questions was from my primary skils, Be prepared with you have mentioned in your resume.
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Q1. Package discussion
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Hackerrank Test, Objective and one easy leetcode question

Q1. Based on your Tech Skills
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Q2. Azure questions what ever you worked
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Q1. Salary Negotiation and location
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Prevent the duplicate accounts

30min and ask one coding question

30min and ask 2 coding question

Q1. Can you explain the difference between a stack and a queue and provide a real-world example where each would be used.
Ans. 
A stack is a Last In First Out (LIFO) data structure, while a queue is a First In First Out (FIFO) data structure.
• Stack: LIFO - Last In First Out. Example: browser history where the last page visited is the first to be accessed.

• Queue: FIFO - First In First Out. Example: a line at a grocery store where the first person in line is the first to be served.
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Q2. Given an array of integers, write a function to find the two numbers that add up to a specific target. How would you optimize this solution?
Ans. 
Function to find two numbers in array that add up to target. Optimize solution.
• Use a hash map to store each number and its index as you iterate through the array.

• For each number, check if the difference between the target and the number exists in the hash map.

• Return the indices of the two numbers that add up to the target.
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