RELX Group Software Engineering Manager Interview Questions and Answers

Q1. Median of 2 sorted array
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Q2. Linux commands for chmod
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Q3. Features of python
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Q4. Deepcopy and shallowcopy
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Comprehensive questions covered wide range of topics

Coding was typically

Q1. What programming language were used to develop the test.
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Q1. About work life balance
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Q1. Explain your current project. An then related to project
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Q2. How to get 3rd last node of a linked list
Ans. 
To get the 3rd last node of a linked list, we can use two pointers approach.
• Start two pointers at the head of the linked list

• Move the first pointer to the 3rd node from the beginning

• Then move both pointers one node at a time until the first pointer reaches the end
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Q1. Uikit explaination
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Q2. Model classes with uikit
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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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Apt + coding questions, medium difficulty

Q1. Basics qs on oops and known programming language
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Q1. In-depth of oops and live coding questions
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Q1. Basics qs like y and what
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Logical and reasoning, Maths

Basic coding Java & C

Q1. Array and types
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Q2. Inheritance & OOPS
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Basic coding questions And logical questions

Simple program for mathematics