Becton Dickinson Staff Engineer Interview Questions and Answers

1 hour - Trees, Array, Hashmap, DP, CP etc

Q1. Project discussion
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There was 10 MCQ on general aptitude and english and 2 coding questions easy to medium level

Q1. 1)Reverse Linked List 2)Deep aboit project
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Q1. All about project and some technical question like what is API, Flow diagram of API etc
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Q1. 1) Intro 2) Hobbies 3) 5 strength and weakness
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The interview session took 30 minutes

Q1. Implement java code to filter given data from a list using the Java Stream API
Ans. 
Implement Java code to filter data from a list using Java Stream API
• Use Stream.filter() method to filter data based on a given condition

• Use lambda expressions to define the filtering condition

• Collect the filtered data using Collectors.toList() method
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Q1. How did you handle conflicts in the team?
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2 ad-hoc coding questions :

1st was related to the incremental sorting of an array.
2nd was related to adding logic to a function snippet.

Q1. Personals and educational background
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Q2. Logic of binary tree, heap, doubly link list
Ans. 
Binary tree is a tree data structure where each node has at most two children, heap is a specialized tree-based data structure, doubly linked list is a linked list where each node points to both the next and previous nodes.
• Binary tree: each node has at most two children, left child and right child. Example: binary search tree.

• Heap: a complete binary tree where the value of each node is greater than or equal to the valu...read more
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Q3. Questions around final year project
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Q1. Personals and cultural fit round
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Simple qraph question and recursion questions

Q1. Project disscussion
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Q2. And mindset testing questions
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Q1. Array topics - 2 question from this topic
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Q2. Linkedlist coding problem - 1 problem from this topic
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Sql problem solving - 2 problem from this topic

Q1. Project discussion - projects you worked on
Ans. 
I have worked on various projects including a web application for a retail company and a mobile app for a fitness tracker.
• Developed a web application for a retail company to manage inventory and sales

• Created a mobile app for a fitness tracker to track workouts and progress

• Collaborated with team members to design and implement features

• Utilized technologies such as React, Node.js, and MongoDB
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