Oracle Cerner Software Development Engineer II Interview Questions and Answers

Round duration - 120minutes
Round difficulty - Easy

It was an online MCQ's + coding round consisting of 20 MCQ’s and 1 coding problem.

Q1. Check whether there exists a loop in the linked list.
Ans. 
Check for a loop in a linked list by using two pointers moving at different speeds.
• Use two pointers, one moving at double the speed of the other.

• If there is a loop, the two pointers will eventually meet at the same node.

• Example: 1 -> 2 -> 3 -> 4 -> 5 -> 2 (loop back to 2), the two pointers will meet at node 2.
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Round duration - 50 minutes
Round difficulty - Easy

The interview started at 8:30 pm in cc of Delhi Technological University itself and it was quite late. There was only a single interviewer and he asked me one coding question related to overflow of integers.

Q1. How can you check for integer overflow when multiplying two integers and ensure the result is stored correctly within an integer type?
Ans. 
To check for integer overflow when multiplying two integers, use the properties of integer overflow and check if the result is within the valid range of the integer type.
• Check if the signs of the two integers are the same to avoid overflow in case of multiplication.

• Use the properties of integer overflow to detect if the result exceeds the maximum or minimum value of the integer type.

• Consider using a larger data type or...read more
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Round duration - 15 minutes
Round difficulty - Easy

It was quite late . There was only one interviewer and I was asked about my family , education and future plannings and few questions related joining locations and documents etc.

Q1. Advantage and disadvantage of framework.
Ans. 
Frameworks provide structure and pre-built components for software development, but can also limit flexibility and require learning curve.
• Advantage: Provides structure and pre-built components for faster development

• Advantage: Can improve code quality and maintainability

• Disadvantage: Can limit flexibility and customization

• Disadvantage: Requires learning curve and potential dependency issues

• Example: ReactJS provides a fr...read more
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Q1. What is Oops? Advantage and disadvantage
Ans. 
Oops stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent real-world entities.
• Advantages: code reusability, modularity, encapsulation, inheritance, polymorphism

• Disadvantages: complexity, steep learning curve, performance overhead

• Example: creating a class 'Car' with properties like 'make', 'model', and 'year', and methods like 'start_engine' and 'stop_engine'
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Data Structure related questions

Q1. Java related interview questions
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