S&P Global Senior Software Engineer 1 Interview Questions and Answers

It was good and easy

Questions were medium

Q1. Why u choose this company?
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Q2. Brief introduction
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Q1. Uikit explaination
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Q2. Model classes with uikit
Ans. 
Model classes in UIKit are used to represent data in an application's user interface.
• Model classes in UIKit typically subclass NSObject and are used to store and manage data for views.

• They can include properties to represent different data fields, methods to manipulate the data, and sometimes protocols for delegation.

• For example, a model class for a user profile in a social media app might have properties like username...read more
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Project related questions

Q1. How is GIL and how python handle multi threading
Ans. 
GIL stands for Global Interpreter Lock in Python, which limits execution of multiple threads at once.
• GIL is a mutex that protects access to Python objects, preventing multiple threads from executing Python bytecodes at once.

• Due to GIL, Python threads are not suitable for CPU-bound tasks but are still useful for I/O-bound tasks.

• To handle multi-threading in Python, one can use multiprocessing module or asynchronous progr...read more
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Q2. Explain How React works under the hood.
Ans. 
React uses a virtual DOM to efficiently update the actual DOM based on changes in state or props.
• React creates a virtual DOM representation of the actual DOM.

• When state or props change, React compares the virtual DOM with the actual DOM to determine the minimal set of changes needed.

• React then updates the actual DOM efficiently to reflect the changes.
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Q1. Basics of sql and some coding questions
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Q2. Data structures
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Q1. Putin arrays strings
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Q1. Self Introduction
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Q1. Nothing much it went well as usual they try go ask for negotiable salary
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Q2. What is the reason
Ans. 
The reason for what?
• Need more context to provide a specific reason

• Could be related to a specific action, decision, outcome, etc.

• Can you provide more details or clarify the question?
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Q3. What is the issue
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Q4. What is draw back
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A drawback is a disadvantage or limitation of a particular situation or course of action.
• Drawbacks can hinder progress or success in a project or task.

• They can be caused by limitations in resources, technology, or skills.

• Examples include lack of funding, outdated software, or inadequate training.

• Identifying drawbacks early on can help mitigate their impact on a project.
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Q5. What is fast forward
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Fast forward is a feature that allows users to skip ahead in a video or audio file to a specific point.
• Fast forward allows users to quickly move forward in a video or audio file.

• Users can skip scenes or sections they are not interested in by using the fast forward feature.

• Commonly seen in media players, streaming services, and DVRs.

• Example: Pressing the fast forward button on a remote control to skip ahead in a movie.
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Q1. Explain fail fast and fail safe iterator in Java
Ans. 
Fail fast iterator throws ConcurrentModificationException if the collection is modified while iterating. Fail safe iterator does not throw exception but works on clone of collection.
• Fail fast iterator checks for modification during iteration and throws ConcurrentModificationException if found.

• Fail safe iterator works on clone of collection and does not throw exception if collection is modified.

• Example: ArrayList iterat...read more
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Q1. Orientation skills
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Q2. Tell me about yourself
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