Nisum Senior Android Developer Interview Questions and Answers

Q1. Tell us about your experience.
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Q2. In english, give me a feedback you received lately.
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Q1. Brief explanation of SOLID principles
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Q2. Ref vs out arguments
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ref and out are C# keywords for passing arguments by reference, allowing methods to modify the original data.
• ref requires the variable to be initialized before being passed. Example: 'int x = 10; SomeMethod(ref x);'

• out does not require initialization before being passed. Example: 'int y; SomeMethod(out y);'

• Both allow methods to modify the original variable, but ref is for existing data, while out is for returning new d...read more
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Arrays, basics. easy, some important topics in python and sql

Q1. SQL basics question learned in online or self
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Q2. Joins, groupby, clause, projection, having
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Aptitude aptitude aptitude, coding, apti

Q1. Technical coding in c cpp java
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Online aptitude test in which verbal logic coding part include

Q1. Most on resume ,pattern.project
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Q1. Hr questions,yourself , strength , weakness ,etc
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Q1. Oops concept and the basic programming language knowledge
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Q2. Database queries and the database types
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Database queries are used to retrieve data from databases. There are different types of databases such as relational, NoSQL, and graph databases.
• Relational databases use SQL for querying data

• NoSQL databases use different query languages such as MongoDB's query language

• Graph databases use graph traversal languages such as Cypher

• Queries can be used to retrieve specific data or perform complex operations such as joins and...read more
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Q1. Tell me about yourself
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Q2. Tell me about the project
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Q1. Salary discussion and dreams
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Group discussion was the first round on avg there were 15 people in a group discussion at last everyone was given a minute to speak

Q1. Tell me about yourself?
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Q2. Where do you see yourself in five years?
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Q3. Tell me about your family?
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Q4. Do you plan on Higher education?
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I am considering higher education to deepen my knowledge and enhance my skills in software development.
• Pursuing a Master's degree in Computer Science to specialize in AI and machine learning.

• Attending workshops and bootcamps to stay updated with the latest technologies.

• Exploring online courses for specific programming languages or frameworks, like React or Python.

• Networking with professionals in the field to gain insig...read more
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Q1. Questions on OOPs concept
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Q2. Sort the array by parity
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Sort an array by parity, placing even numbers before odd numbers while maintaining their relative order.
• Use a stable sorting algorithm to maintain the order of elements.

• Example: Input: [3, 1, 2, 4] → Output: [2, 4, 3, 1]

• Iterate through the array and separate even and odd numbers.

• Combine the even and odd arrays to get the final sorted array.
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Q3. Write SQL queries
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SQL queries are used to interact with databases, allowing for data retrieval, manipulation, and management.
• SELECT statement: Used to retrieve data from a database. Example: SELECT * FROM users;

• WHERE clause: Filters records based on specified conditions. Example: SELECT * FROM users WHERE age > 30;

• JOIN operations: Combines rows from two or more tables based on a related column. Example: SELECT orders.id, users.name F...read more
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Q4. Who wrote the book discovery of the nation
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Q5. What is the official language of kashmir
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Q6. Which city is called city of lakes
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Q1. Find the length of the longest word in the length
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To find the longest word in a sentence, split the sentence into words and determine the maximum length among them.
• Split the sentence into words using space as a delimiter.

• Iterate through the array of words and track the length of each word.

• Keep a variable to store the maximum length found.

• Example: In 'The quick brown fox', the longest word is 'quick' with length 5.
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Q2. Push the zeroes in the arrays to the end
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Q3. When was python launched
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Python was launched in February 1991 by Guido van Rossum as a high-level programming language emphasizing code readability.
• Created by Guido van Rossum, Python's first version (0.9.0) was released in February 1991.

• Python 1.0 was released in January 1994, introducing features like functions and exception handling.

• Python 2.0 was launched in October 2000, adding list comprehensions and garbage collection.

• Python 3.0, a majo...read more
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Q4. What is name of ai from meta/google/amazon
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Meta, Google, and Amazon have developed various AI systems, including ChatGPT, Bard, and Alexa, each serving unique purposes.
• Meta's AI: Focuses on social media and content moderation, enhancing user experience.

• Google's Bard: A conversational AI designed to assist with information retrieval and natural language processing.

• Amazon's Alexa: A voice-activated assistant that controls smart home devices and provides informati...read more
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Q5. What do you do in your free time
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In my free time, I enjoy coding personal projects, reading tech blogs, and exploring the outdoors through hiking and photography.
• I work on personal coding projects, like building a weather app using React.

• I read tech blogs and articles to stay updated on industry trends.

• I enjoy hiking on weekends, capturing nature through photography.

• I participate in online coding challenges to sharpen my skills.
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Q6. Tell me your pros and cons
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Q1. What is V model
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V model is a software development model that emphasizes testing at each stage of development.
• V model is also known as Verification and Validation model.

• It is a sequential path of the waterfall model, where each phase must be completed before the next phase begins.

• The left side of the V represents the development phases, while the right side represents the testing phases.

• It helps in early detection and correction of def...read more
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