Centific Associate Software Engineer Interview Questions and Answers

Average to easy difficulty level.

Q1. Java code of string manipulation
Ans. 
String manipulation in Java involves various methods like substring, concat, replace, etc.
• Use substring() to extract a part of the string

• Use concat() to concatenate two strings

• Use replace() to replace a specific character or substring in a string
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Q2. What is the Java code for various types of sorting algorithms?
Ans. 
Various sorting algorithms in Java code
• Bubble Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Selection Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Insertion Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Merge Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Quick Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);
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Q3. Sql query and topics related to joins.
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Q1. About yourself and family
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Q2. What do you know about the company?
Ans. 
The company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products

• Has a strong team of software engineers and developers
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Q3. Can you provide examples of real-life scenarios where you handled conflicts with either a colleague or a manager?
Ans. 
Handled conflicts by addressing issues directly, seeking compromise, and maintaining professionalism.
• Addressed a disagreement with a colleague by scheduling a one-on-one meeting to discuss concerns and find common ground.

• Resolved a conflict with a manager by actively listening to their perspective, providing feedback, and working together to find a solution.

• Maintained professionalism during conflicts by staying calm, r...read more
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Q4. What actions would you take if your manager does not approve your product idea, and how would you attempt to persuade them?
Ans. 
I would gather more data to support my idea, present a compelling case to my manager, and be open to feedback and compromise.
• Gather data to support the idea, such as market research, user feedback, or cost-benefit analysis.

• Prepare a well-structured presentation highlighting the potential benefits of the product idea.

• Listen to the manager's concerns and feedback, and be open to making adjustments or compromises.

• Seek sup...read more
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Q1. Read the sentence
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Q2. Listen and repeat the sentence
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Mercel platform 1 hour

Q1. Explain ur project
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Used HTML, CSS, and JavaScript for front-end development

• Implemented backend functionality using Node.js and MongoDB

• Incorporated user authentication and authorization features

• Utilized RESTful APIs for communication between front-end and back-end
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Q2. One code according to ur cluster
Ans. 
I would write a code snippet based on the specific cluster or category provided.
• Identify the specific cluster or category provided in the question

• Write a code snippet that aligns with the requirements of the cluster

• Ensure the code is accurate and relevant to the given cluster
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General aptitude, behaviourial and some analytical questions

Q1. Tell me about yourself
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Q2. Questions from projects mentioned in resume
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Q3. Few basic technical questions
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Array, Collections, String

Q1. Marker Interface
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Q2. Lambda Expression
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Q1. Join operations
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Q2. Difference in put and post command
Ans. 
PUT is used to update or replace an existing resource, while POST is used to create a new resource.
• PUT is idempotent, meaning multiple identical requests will have the same effect as a single request.

• POST is not idempotent, meaning multiple identical requests may have different effects.

• PUT requests are typically used for updating existing data, like updating a user's profile information.

• POST requests are typically used...read more
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Numerical based questions are there mostly

Good basic level coding questions

Q1. Tell me about urself
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Q2. Tell about ur projects
Ans. 
I have worked on various projects including a web application for online shopping and a mobile app for task management.
• Developed a web application using HTML, CSS, and JavaScript for online shopping

• Created a mobile app using React Native for task management

• Implemented RESTful APIs for communication between front-end and back-end systems
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