Accenture Software Developer Interview Questions, Process, and Tips

Q1. How to write an immutable class
Ans. 
Immutable class in Java cannot be modified after creation
• Use the final keyword to make class immutable

• Make all fields private and final

• Do not provide setter methods, only getter methods

• If class contains mutable objects, make sure to return a deep copy in getter methods
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Q2. How to make a class singleton
Ans. 
To make a class singleton, restrict the instantiation of a class to only one object.
• Create a private static instance variable of the class.

• Create a private constructor to prevent external instantiation.

• Provide a public static method to access the singleton instance.

• Ensure thread safety if needed by using synchronized keyword or double-checked locking.
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Q1. Tell me about the project that you made
Ans. 
I 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. Tell me all the difficulties that you faced in your project
Ans. 
I faced difficulties in project related to integration with third-party APIs, debugging complex issues, and meeting tight deadlines.
• Integration with third-party APIs was challenging due to lack of documentation and unexpected changes in API responses

• Debugging complex issues took time and required thorough analysis of code and system logs

• Meeting tight deadlines was stressful and required effective time management and pr
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Q1. All Technical Question
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Q2. Basic Logical Question
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All Logical Coding Question

Virtual, Technical Question

Q1. Basic Interview
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Q1. Tell me about your project
Ans. 
Developed a web application for managing inventory and sales for a retail store.
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database management
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Q2. What difficulties yiu faced during the project
Ans. 
I faced difficulties with integrating third-party APIs and debugging complex logic.
• Troubleshooting issues with API responses

• Handling asynchronous data flow

• Resolving compatibility issues with different libraries

• Optimizing performance of the application
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Q1. Create a dictionary using two lists
Ans. 
Create a dictionary using two lists
• Use zip() function to combine two lists into key-value pairs

• Use dict() function to convert the key-value pairs into a dictionary
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Q2. Dict comprehensive and list comprehensive
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Q3. Reverse a string
Ans. 
Reverse a string by iterating through the characters and swapping them
• Create a function that takes a string as input

• Initialize two pointers, one at the beginning and one at the end of the string

• Swap the characters at the two pointers and move them towards the center until they meet
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Q4. Mapping in python
Ans. 
Mapping in Python refers to the process of applying a function to each item in an iterable.
• Use the map() function to apply a function to each item in an iterable.

• The map() function returns a map object, which can be converted to a list or tuple.

• Example: map(lambda x: x*2, [1, 2, 3]) will return [2, 4, 6].
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Q1. What is Rest api
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Q2. What is a multithreading
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40 min, Online, cloud, networking

40 min, virtual process, array, string

Q1. Tell me about yourself
Ans. 
I am a software developer with 5 years of experience in developing web applications using various technologies.
• Experienced in front-end development using HTML, CSS, and JavaScript

• Proficient in back-end development with languages like Java and Python

• Familiar with database management systems such as MySQL and MongoDB

• Strong problem-solving skills and ability to work in a team environment
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Q2. Tell me about company
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Q3. Your strength and weakness
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Q4. Explain your project
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