Sasken Interview Questions, Process, and Tips

Q1. Abstract vs Interface
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Q2. When to use interface and abstract
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Q3. Method overloading and Method overriding
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Q4. Difference between val and var
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Q5. Difference between const and val
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Q6. Project related questions
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Q7. Coding question: Shift all zeroes to one side.
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Q8. Asked about Viewmodel and how does it handle configuration changes.
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Q9. What are the advantages of Kotlin over Java?
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I was asked about Rust and it's nuances: How the memory management model works, and then asked to write a program to read and write files to disk, as well as accept command line arguments using Rust's standard library.

Q1. How do you work on code that someone else has written?
Ans. 
I review the code thoroughly, understand its functionality, and make necessary changes while following coding standards.
• Review the code to understand its functionality

• Follow coding standards and best practices

• Make necessary changes while ensuring code quality

• Communicate with the original author if needed
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Q2. How do you debug and solve problems that might've gotten missed during Unit Testing after they've been presented by QA?
Ans. 
I use a combination of debugging tools, logs, code reviews, and collaboration with team members to identify and fix issues.
• Utilize debugging tools such as breakpoints, watchpoints, and step-through debugging to pinpoint the root cause of the issue.

• Analyze logs and error messages to gather more information about the problem.

• Review the code changes made since the last successful unit test to identify potential causes of ...read more
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Q3. How do you improve the performance/memory footprint of your Rust program, without relying on any external crates, profilers, or architectural changes? Assume that logging and monitoring libraries etc. are ...read more
Ans. 
To improve performance/memory footprint of Rust program without external tools, focus on optimizing algorithms, data structures, and memory management.
• Optimize algorithms to reduce time complexity

• Use efficient data structures like HashMaps or Vecs

• Minimize memory allocations by reusing objects or using stack allocation

• Avoid unnecessary copying of data

• Implement lazy evaluation to defer computations until needed
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Q1. Where do you see yourself in 3 years time?
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Q2. Why did you leave your previous organisation after such a short stint?
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Aptitude round consists of 7-8 sections that assess the candidates aptitude skills and time management.

For me the topic of group discussion was Cybersecurity and Computer Networking.

Q1. Explain the OOPS concepts of Java and related questions.
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Q2. Write a Program to find the duplicates in an array and store them in key-value pairs using hashmap.
Ans. 
Program to find duplicates in an array and store them in key-value pairs using hashmap.
• Create a hashmap to store the elements of the array as keys and their frequency as values.

• Iterate through the array and check if the element already exists in the hashmap. If it does, increment the frequency.

• Finally, iterate through the hashmap and print the key-value pairs where the frequency is greater than 1.
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Q1. Tell me about Yourself
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for coding. I have experience with Java, Python, and web development.
• Recent graduate with a degree in Computer Science

• Passionate about coding and technology

• Proficient in Java, Python, and web development

• Experience with projects in software development
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Q2. Some scenario based questions.
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