Bentley Systems Associate Software Developer Interview Questions and Answers

1 hour, around 40 questions on well known aptitude topics.

Simple questions - overlapping area, bit manipulation

Q1. Simple program on printing even numbers, optimizing the code. Interviewer wanted to test your logical ability.
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Q1. Three facts about you, you haven't mentioned in resume, why should we hire you etc..
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Interviewed as part of college placements, first round consisted of aptitude and CS related MCQs;

20 MCQs, 1 RestAPI Problem, 1 Dp problem

Q1. Graphs, RestAPI, Linked list, Puzzle
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Q1. Common Elements in two Sorted Linked List
Ans. 
Finding common elements in two sorted linked lists.
• Traverse both lists simultaneously using two pointers.

• Compare the values of the nodes pointed by the two pointers.

• If they are equal, add the value to the result list and move both pointers.

• If not, move the pointer pointing to the smaller value.

• Repeat until one of the lists is fully traversed.
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Q2. Kth element after merging two sorted arrays
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Finding the Kth element after merging two sorted arrays.
• Merge the two sorted arrays into a single array.

• Sort the merged array.

• Return the Kth element from the merged and sorted array.
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Q3. A good amount of OOPS?DBMS questions, small keywords used in project, data flow in projects were asked
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Q1. Detailed concepts about OOPS and DBMS
Ans. 
OOPS is a programming paradigm based on objects while DBMS is a software system for managing databases.
• OOPS focuses on encapsulation, inheritance, and polymorphism

• DBMS manages data through CRUD operations and supports ACID properties

• Examples of OOPS languages include Java, C++, and Python

• Examples of DBMS include MySQL, Oracle, and SQL Server
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Q2. Detailed study and questions about project.
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Q1. Knowledge about latest technologies
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Q2. Why they should hire me?
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Q3. Why oracle? followed by questions from computer networks, OOPS, DBMS and a bit from major CS fundamentals.
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String manipulation problems from geeks for geeks with some medium and hard problems in DSA from leetcode

Q1. String manipulation and tree twisted problems
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Q2. Some 2d matrix popular problems like sudoku
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Q3. Graph basic level implementation
Ans. 
Graph implementation involves creating nodes and edges to represent data and relationships.
• Nodes represent data points and edges represent relationships between them

• Graphs can be directed or undirected

• Common graph algorithms include BFS, DFS, and Dijkstra's algorithm
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Q1. Puzzles to test decision making abilities
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Q2. Some theory technical questions in Java and springboot.
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Q3. What is string pool ?
Ans. 
String pool is a cache of string literals stored in memory for efficient reuse.
• String pool is a part of Java's memory management system.

• It stores a collection of unique string literals to save memory.

• When a new string is created, it is first checked in the pool and reused if already present.

• String pool can be accessed using the intern() method.

• Example: String s1 = "Hello"; String s2 = "Hello"; s1 and s2 will point to t
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Q4. Why strungs are not mutavle in java ?
Ans. 
Strings are immutable in Java to ensure thread safety and prevent unintended changes.
• Immutable objects are safer to use in multi-threaded environments

• String pool optimization is possible because of immutability

• StringBuffer and StringBuilder classes are available for mutable string operations
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Q1. Basic discussion like salary and other benefit
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Q2. Why you choose oracle ?
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Q3. How you overcome challenges?
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Conducted on their platform for 120 minutes

Q1. I was asked to find subarray Max Sum
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Q2. I was asked to find diameter of a binary Tree
Ans. 
To find the diameter of a binary tree, we need to find the longest path between any two nodes in the tree.
• Traverse the tree recursively and calculate the height of the left and right subtrees.

• Calculate the diameter of the left and right subtrees recursively.

• The diameter of the tree is the maximum of the following three values: 1. Diameter of the left subtree 2. Diameter of the right subtree 3. Height of the left sub...read more
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Q1. DBMS, Computer Networks and Operating System Questions
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Q1. Mainly on cloud, microservices and distributed processing
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Questions were easy to moderate level from leetcode

Q1. I didn't get selected, but if you clear the 1st round coding and aptitude aswell then you will be allowed to this round, some 25 to 30 were selected and 6 were given offer letter.focus on coding aswell as ...read more
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Easy 1 dsa and 35 mcqs

Q1. All oops concepts in detail
Ans. 
Object-oriented programming concepts like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the ne
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Q2. Linked list implementation and some questions
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