Dassault Systemes Fullstack Java Developer Interview Questions and Answers

Q1. Tell me about internal working of JVM
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Q2. Tell me about SAGA pattern in Microservices
Ans. 
SAGA pattern is a design pattern used in microservices architecture to manage distributed transactions.
• SAGA pattern breaks down a long-running transaction into a series of smaller, independent transactions.

• Each step in the SAGA pattern is a separate service that communicates with other services through events.

• If a step fails, compensating transactions are executed to rollback the changes made by previous steps.

• Example:...read more
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Q1. Tell me about your current project structure
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Q2. What is an API , how would you secure an API
Ans. 
API stands for Application Programming Interface. It defines the methods and data formats that applications can use to communicate with each other.
• API is a set of rules and protocols that allows different software applications to communicate with each other.

• To secure an API, you can use authentication methods like OAuth, API keys, or JWT tokens.

• Implementing encryption (HTTPS) and rate limiting can also enhance API secu...read more
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Q1. Why do you want to relocate to Bangalore
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Q2. Tell me about one instance where you faced pressure and how did you overcome ?
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Q1. Describe a time when y ou had to learn a new kill to complete a project
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Q2. Tell me about your resume
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Reverse a given string using for loop

Q1. Types of data structure and their time complexities
Ans. 
Data structures are used to organize and store data efficiently. Time complexity is the measure of efficiency.
• Arrays - O(1) for access, O(n) for search and insertion

• Linked Lists - O(n) for access, O(1) for insertion and deletion

• Stacks - O(1) for access, insertion and deletion

• Queues - O(1) for access, insertion and deletion

• Trees - O(log n) for access, insertion and deletion

• Hash Tables - O(1) for access, insertion and de
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Q2. Types of Binary Tree
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Binary trees are classified based on the number of children each node can have.
• Full binary tree: every node has either 0 or 2 children

• Complete binary tree: all levels except possibly the last are completely filled, and all nodes are as far left as possible

• Perfect binary tree: all internal nodes have two children and all leaf nodes are at the same level

• Balanced binary tree: the difference in height between the left and ...read more
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Just focus and data structures and algorithms

Q1. What are your weaknesses
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Q1. Based on DSA, OOPS
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Q1. Based on Projects in Resume
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Q1. Technical Discussion about earlier projects
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Q1. Salary Discussion
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Digital electronics, circuits , verilog , asic design flow

Q1. Explain the complete asic design flow process
Ans. 
ASIC design flow process involves steps like specification, design, verification, synthesis, and testing.
• Specification: Define requirements and constraints for the ASIC design.

• Design: Create a high-level design based on the specifications.

• Verification: Verify the design using simulations and tests.

• Synthesis: Convert the design into a netlist of gates and connections.

• Testing: Test the fabricated ASIC to ensure functiona...read more
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Q2. Power reduction techniques in CMOS
Ans. 
Power reduction techniques in CMOS involve various methods to minimize power consumption in CMOS circuits.
• Use of power gating to selectively turn off power to unused circuit blocks

• Implementing clock gating to disable clock signals to unused circuitry

• Utilizing voltage scaling to reduce power consumption at lower voltages

• Applying dynamic voltage and frequency scaling to adjust voltage and frequency based on workload

• Using...read more
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Scheduling Program, Build Scripts

Q1. System Design, Previous Projects
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Q1. Salary Decision, Car lease options
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