Collins Aerospace Associate Software Developer Interview Questions and Answers

Basic leetcode problems

Q1. Basic java questions
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There is MCQ questions of basics of c programming

Q1. Second round is a technical round . Coding round
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Q2. They ask about c programming basic questions and coding
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Q3. Armstrong number
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Q4. Fibbonnic series
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It contains mcqs on psuedcodes and two coding questions.

Q1. Tell me about yourself
Ans. 
I am a software developer with experience in Java and Python.
• I have a Bachelor's degree in Computer Science.

• I have worked on projects involving web development and data analysis.

• I am familiar with Agile methodology and have experience working in a team.

• I enjoy learning new technologies and keeping up with industry trends.
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Q2. Questions on Oops, Java, Datastructures.
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Q3. What is polymorphism
Ans. 
Polymorphism is the ability of an object to take on many forms.
• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• It can be achieved through method overloading or method overriding.

• Example: A shape class can have different subclasses like circle, square, and triangle, but they can all be treated as shapes.

• Polymorphism helps in achieving code reusability and flexibility.
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Q4. What is a linked list
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A linked list is a linear data structure where each element is a separate object with a pointer to the next element.
• Consists of nodes that contain data and a pointer to the next node

• Can be singly or doubly linked

• Allows for efficient insertion and deletion of elements
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Q1. Tell me about yourself.
Ans. 
I am a software developer with experience in Java and Python.
• I have a Bachelor's degree in Computer Science.

• I have worked on projects involving web development and data analysis.

• I am familiar with Agile methodologies and have experience working in a team.

• I enjoy learning new technologies and am always looking to improve my skills.
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Q2. How honeywell is different from other companies
Ans. 
Honeywell is a global technology company that specializes in aerospace, building technologies, and performance materials.
• Honeywell has a diverse portfolio of products and services

• Honeywell invests heavily in research and development

• Honeywell has a strong focus on sustainability and corporate responsibility

• Honeywell has a global presence with operations in over 70 countries

• Honeywell has a strong commitment to customer s
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Q1. 1. Intro 2. Tech stacks 3. Questions on all
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Q1. Find the second highest salary in sql
Ans. 
Use SQL query with ORDER BY and LIMIT to find the second highest salary.
• Use SELECT statement to retrieve salary column from the table.

• Use ORDER BY clause to sort the salaries in descending order.

• Use LIMIT 1,1 to get the second highest salary.
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Q2. Check duplicate rows using sql, group by, window function.
Ans. 
Use SQL query with GROUP BY and window function to check for duplicate rows.
• Use GROUP BY to group rows with same values together

• Use COUNT() function to count the number of occurrences of each group

• Use window function like ROW_NUMBER() to assign a unique number to each row within a group
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