Kaushik Mukherjee Architects Software Engineer2 Interview Questions and Answers

Hackerrank was used for test

Q1. Implement BFS to find the nearest neighbour
Ans. 
Implement BFS algorithm to find the nearest neighbour
• Create a queue to store nodes to be visited

• Start with the initial node and add it to the queue

• While the queue is not empty, dequeue a node, visit its neighbours, and add them to the queue

• Repeat until the nearest neighbour is found
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Q2. Implement Priority queue using heap.
Ans. 
Priority queue can be implemented using a heap data structure.
• Create a min heap or max heap based on the priority order needed.

• Insert elements into the heap based on their priority level.

• Remove elements from the heap based on their priority level.

• Heapify the heap after each insertion or deletion operation.

• Example: Implementing a min heap for a priority queue where lower values have higher priority.
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Q1. Daemon thread in java
Ans. 
Daemon thread is a low priority thread that runs in the background and does not prevent the JVM from exiting.
• Daemon threads are used for tasks that do not require user interaction or continuous execution.

• They are automatically terminated when all non-daemon threads have finished.

• Set a thread as daemon using setDaemon(true) method before starting it.

• Example: Thread t = new Thread(); t.setDaemon(true); t.start();
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Basic aptitude questions based on profit and loss

Coding test based on c language and python programming

Communication assignment based on English

Q1. Self introduction
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Q2. Difine real time operation system
Ans. 
Real-time operating systems are designed to provide guaranteed response times for critical tasks.
• Real-time operating systems prioritize tasks based on their urgency and importance.

• They are commonly used in industries such as aerospace, automotive, and industrial automation.

• Examples include VxWorks, QNX, and FreeRTOS.
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Q1. Self introduction
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Q2. Project work questions
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Q1. Java Basics Technical Questions
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Q2. In depth knowledge OOPS concepts and basic practice skills of SQL operations
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Q3. In depth practice of String Manipulations using looping and conditional statements
Ans. 
String manipulation using loops and conditionals for software engineering
• Use loops to iterate through each character in the string

• Use conditional statements to check for specific conditions and manipulate the string accordingly

• Examples: reversing a string, counting occurrences of a specific character, removing whitespace
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Q4. In depth knowledge of J2ee concepts with any ORM / MVC framework skills
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Q1. Java Basics Technical Questions
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