Cerium Systems Emulation Engineer Interview Questions and Answers

Quantitative logical
SQL

Java coding string array SQL relational DBMS

Q1. Give Introduction
Ans. 
I am a Quality Engineer with a background in ensuring products meet standards and specifications.
• Experienced in quality control processes

• Skilled in root cause analysis

• Knowledgeable in statistical analysis

• Proficient in quality management systems

• Strong communication and problem-solving skills
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Q2. Oops,SQL queries pn joins
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Q1. Family questions
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I got the opportunity through Nextwave. In the coding test I’m supposed to solve few aptitude questions and around 5-6 coding questions. Out of them 2 are of easy level ,2 are medium and 2 are of hard level.
I solved 2 easy, 1 medium and 1 hard problem.

Q1. Self Introduction , Resume based questions related to project and strengths
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Q2. Programming questions like pattern printing, palindrome without using reverse method, GCD
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Q1. Started with reasoning and aptitude questions based on pattern analysis, number system, profit and loss.
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Q2. Programming questions from leetcode 1.Spiral matrix 2.Pascal’s triangle 3.subsequences 4.problem based on DFS
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Q1. Write a program Binary Search?
Ans. 
Binary search is a divide and conquer algorithm that efficiently finds the target value within a sorted array.
• Start by defining the low and high indices of the array.

• Calculate the middle index and compare the target value with the middle element.

• If the target value is less than the middle element, search the left subarray. If greater, search the right subarray.

• Repeat the process until the target value is found or the s
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Q2. What isCICD flow?
Ans. 
CI/CD flow stands for Continuous Integration/Continuous Deployment flow, which is a software development practice where code changes are automatically built, tested, and deployed.
• CI/CD flow involves automating the process of integrating code changes into a shared repository, running automated tests, and deploying the changes to production.

• Continuous Integration (CI) focuses on automating the build and testing of code c...read more
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Q3. How to handle Enum feature?
Ans. 
Enums are a feature in programming languages that allow you to define a set of named constants.
• Enums can be used to improve code readability by giving meaningful names to values

• Enums can be used in switch statements to handle different cases

• Enums can have associated values or raw values for more flexibility
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Q4. Singleton handles the Syncronized ?
Ans. 
Yes, Singleton handles synchronization by ensuring only one instance of a class is created and providing global access to that instance.
• Singleton pattern restricts the instantiation of a class to one object.

• It provides a global point of access to the instance.

• Synchronization can be implemented in the Singleton pattern to ensure thread safety.

• Example: Singleton pattern is commonly used in database connections to ensure
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Q5. What are external Libraries are used in project?
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External libraries are pre-written code that can be imported and used in a project to provide additional functionality.
• External libraries help in reducing development time by providing ready-made solutions for common tasks.

• Examples include React for front-end development, NumPy for scientific computing in Python, and Retrofit for making network calls in Android apps.
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Q1. Questions on my recent project and DSA questions.
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Q1. Only DSA questions
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Q1. Tell me some thing about yourself and weakness and strengths
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First round was a coding test on hackerearth. 5 objective, 2 coding and 1 sql question was there. Questions were easy.

Q1. Given an array of length n and a value k. Return a list of array which contains not more that k elements in each row of the list. Note: Check for the edge cases.
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Q2. Give a list of cards, sort on the basis of their rank and suit.
Ans. 
Sort a list of cards based on their rank and suit.
• Create a custom sorting function that first sorts by rank and then by suit

• Use a comparison function to compare ranks and suits of each card

• Example: ['2H', '3D', '10S', 'AH', '4C'] should be sorted as ['2H', '3D', '4C', '10S', 'AH']
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Q3. Can we use a user defined class as a key in hashmap? If yes explain how?
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Q1. Introduce yourself
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Q2. Technical questions related to java and dsa
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Q1. Java hash map and how it works
Ans. 
Java hash map is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
• HashMap in Java implements the Map interface and allows null keys and values.

• It uses hashing to store and retrieve key-value pairs, providing O(1) time complexity for get() and put() operations.

• Example: HashMap map = new HashMap<>(); map.put("key", 1); int value = map.get("key");
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Q1. Oops concept, solid principles
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Q1. Angular. oops, c#
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Q1. Programs, oops, azure
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Q1. About company, Package negotiation, notice period
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Q1. Check if a linkedlist is palindrome
Ans. 
To check if a linkedlist is palindrome or not
• Traverse the linkedlist and push each element into a stack

• Traverse the linkedlist again and compare each element with the popped element from the stack

• If all elements match, then the linkedlist is palindrome
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Q2. Sort employees stream based on salary and department
Ans. 
Sort employees by salary and department
• Create a comparator function to compare salary and department

• Use the comparator function with the sort() method on the employee stream

• Return the sorted employee stream
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Q1. Count the duplicates in array
Ans. 
Count duplicates in array of strings
• Create a dictionary to store the count of each string

• Loop through the array and increment the count in dictionary

• Loop through the dictionary and count the duplicates

• Return the count of duplicates
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Q1. Managerial questions about resolving team issues
Ans. How will you solve a blocker
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