Springer Nature in India Software Developer Interview Questions and Answers

Graph ques DSA, number pattern question

Q1. Tell me about yourself
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Q1. Sdlc process, MVC architecture, entity framework, SQL queries
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Q2. SQL queries, state vs stateless, url
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Q1. Write multiple of 7
Ans. 
A multiple of 7 is any integer that can be expressed as 7 times another integer, such as 7, 14, 21, etc.
• Multiples of 7 can be generated by multiplying 7 with integers: e.g., 7 * 1 = 7.

• The first few multiples of 7 are: 7, 14, 21, 28, 35.

• To find the nth multiple of 7, use the formula: 7 * n.

• Examples: 7 * 3 = 21, 7 * 5 = 35.
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Q2. Reverse string using python
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Reversing a string in Python can be done using slicing, loops, or built-in functions for efficient manipulation.
• Using slicing: reversed_string = original_string[::-1] # Example: 'hello' becomes 'olleh'

• Using the reversed() function: reversed_string = ''.join(reversed(original_string)) # Example: 'world' becomes 'dlrow'

• Using a loop: reversed_string = ''.join(original_string[i] for i in range(len(original_string)-1, -1,...read more
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Q1. Regarding skills set
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Had technical round with coding

Q1. Had discussion on skills , i joined as a fresher
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Q1. Basic python qyestions
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Q2. Oops concepts in python
Ans. 
Oops concepts in Python include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit attributes and methods from another class.

• Encapsulation restricts access to certain components within a class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides complex implementation details and only shows the necessary features.
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Q3. Sql queries in framework
Ans. 
SQL queries are commonly used in frameworks for data manipulation and retrieval.
• SQL queries are used to interact with databases within a framework.

• Frameworks like Hibernate, Entity Framework, and Django ORM use SQL queries to perform database operations.

• SQL queries can be written directly in code or generated by the framework based on object-relational mapping.

• Examples: SELECT * FROM table_name WHERE condition, INSERT ...read more
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Q4. Inheritance and polymorphism
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Q5. Design pattern in python
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Design patterns in Python are reusable solutions to common problems in software design.
• Design patterns help in creating maintainable and scalable code.

• Some common design patterns in Python include Singleton, Factory, Observer, and Strategy.

• Each design pattern has its own purpose and implementation.

• Design patterns promote code reusability and flexibility.
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Q1. What is the use of namespace in Php?
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Namespace in PHP is used to avoid naming conflicts between classes, functions, and variables.
• Namespace allows grouping of related classes, functions, and variables under a common name.

• It helps in organizing code and makes it easier to maintain.

• Namespace can be declared using the 'namespace' keyword followed by the namespace name.

• Example: namespace MyNamespace;

• To use a class or function from a namespace, we need to spec...read more
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Q2. Difference between interface and abstract class
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Q1. Test strategies
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Q2. Which level of testing is more focussed
Ans. 
Unit testing is more focused
• Unit testing focuses on testing individual components or functions in isolation

• It is typically automated and executed frequently during development

• Examples include testing a specific function in a program or a specific module in an application
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Hsd to design a simple product cart application

It was a phycometry test