Oracle Cerner Software Engineer Interview Questions and Answers

Q1. Resume, past experience based questions
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Q2. Past projects accomplishments
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Q1. Scenario based questions
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Q1. Technology based questions
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Q1. Feedback of all previous rounds
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Basic 10th standard level aptitude problem

Basic very easy level questions

Q1. Thorough with the basic knowledge of CS fundamentals
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Q2. 1. coding question - count the frequency of all chars in a word. 2. ACID properties. 3. swap 2 numbers without using any extra variable.
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Count frequency of characters in a word, explain ACID properties, swap 2 numbers without extra variable.
• To count frequency of characters in a word, create a hashmap to store character counts.

• ACID properties in database: Atomicity, Consistency, Isolation, Durability.

• To swap 2 numbers without extra variable, use XOR operation: a = a ^ b, b = a ^ b, a = a ^ b.

• Example: word = 'hello', frequency = {'h': 1, 'e': 1, 'l': 2, '...read more
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Q3. What will be your first step if client reports any issue
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My first step would be to gather more information about the issue from the client.
• Ask the client to provide specific details about the issue such as when it occurred, what actions were taken before the issue occurred, and any error messages received.

• Try to replicate the issue on a test environment to understand the root cause.

• Communicate with the client to keep them updated on the progress and potential solutions.

• Prior...read more
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Q4. Try to reproduce the issue
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Reproducing an issue involves systematically identifying and replicating the conditions under which a bug occurs.
• Gather detailed information about the issue, including error messages and user actions.

• Set up the same environment as the user, including software versions and configurations.

• Follow the exact steps the user took to encounter the issue, documenting each action.

• Test with different data inputs to see if the iss...read more
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Q1. Asked to design airport tracking system
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Design an airport tracking system to monitor flights, baggage, and passenger movements efficiently.
• Real-time flight tracking: Use GPS and radar data to monitor flight positions.

• Baggage tracking: Implement RFID tags on luggage for real-time location updates.

• Passenger flow management: Use sensors and cameras to analyze crowd density at security and boarding gates.

• Integration with airlines: Provide APIs for airlines to ac...read more
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Q2. Basic OOPs concepts questions
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Q1. High level OOPs concept questions and was asked to write psuedo code for a problem
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Q2. Asked about Djikstras algo and was asked psuedo code for it
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Q1. Basic HR questions, very chill
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Q1. Solve Two sum problem
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Q2. What is threads?
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English ang logical and aptitude test online

Q1. Round-1 tech after clearing aptitude test
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Q1. Round-2 technical after clearing Round-1 technical
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Q1. Java find errors in code
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Q1. Java and SQL related questions
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Q1. Discussion about work culture and compensation
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