Shell Associate Software Developer Interview Questions and Answers

Question on stock prices

30 technical questions

Q1. Technical process
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Q2. What are oops concept
Ans. 
Object-oriented programming concepts that focus on objects and classes.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features.
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Q1. Oops questions Database SQL Logic building along with case study
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Q1. If else statement difference
Ans. 
If else statement is used to make decisions in programming based on conditions.
• If statement is used to execute a block of code if a condition is true.

• Else statement is used to execute a block of code if the same condition is false.

• Else if statement can be used to check multiple conditions.

• Example: if (condition) { // code block } else { // code block }
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Q2. Guard let statement diffrence
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Maths and reasoning basic questions

Q1. Mostly on c++ 11,pointers,move etc
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Q1. Project explaation
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Asked Real Time Scenario to create Microservice for Train and Station information. The interviewer asked what are the properties needs to be considered for evaluating service.

Core Java 11 questions: Webservices, Improvement in JVM, Threads

Java 8: Asked to write a program based on Group By Scenario.

The interview lasts around 2 hrs.

Q1. Managerical round: Asked about current project details, The reason to join BH, Scenario based question on LinkedList vs ArrayList
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Q1. It was easy. The HR told about company policies
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Reasoning, number system, triangle

Computer networking , java developer, python developer, mysql

Q1. What are deecorators in Python
Ans. 
Decorators in Python are functions that modify the behavior of other functions or methods.
• Decorators are denoted by the @ symbol followed by the decorator function name.

• They are commonly used for logging, authentication, and memoization.

• Example: @staticmethod, @classmethod, @property
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Q2. If the object is defined with "const" keyword, then in future can it be modified?
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No, if an object is defined with 'const' keyword, it cannot be modified in the future.
• Objects defined with 'const' keyword are read-only and cannot be reassigned.

• Properties of a 'const' object can still be modified, but the object itself cannot be reassigned.

• Example: const obj = { key: 'value' }; obj.key = 'new value'; // Valid, but obj = { newKey: 'newValue' }; // Invalid
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