Merkur Gaming India Senior Developer Interview Questions and Answers

Q1. All related to domain javascript/react,
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Q2. Fallback in lazy loading,optimization techniques/for API call
Ans. 
Fallback in lazy loading is important for optimizing API calls to ensure a smooth user experience.
• Implementing a loading spinner or placeholder while content is being loaded asynchronously

• Using a default value or cached data if the API call fails

• Implementing error handling to gracefully handle any issues with the API call
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Q1. 2 DSA questions was asked and Java Questions
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Q1. Questions on Kafka, Scalability
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Q1. Questions releated to past projects and Cassandra
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Q1. Why do you want to work at EA
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Q2. Describe a time you have a conflict
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Q1. What happens when you use a copy constructor in C++
Ans. 
Using a copy constructor in C++ creates a new object by copying the values of another object.
• Copy constructor is a special member function that creates a new object as a copy of an existing object.

• It is invoked when a new object is created from an existing object.

• Example: MyClass obj1; MyClass obj2 = obj1; // Copy constructor is called to create obj2 as a copy of obj1.
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Q2. When to use pointer/reference
Ans. 
Pointers/references are used to pass memory addresses instead of values, for efficiency and to modify data directly.
• Use pointers when you need to modify the original data passed to a function

• Use references when you want to avoid copying large data structures

• Pointers are commonly used in dynamic memory allocation

• References are used in function parameters to avoid unnecessary copying

• Example: int x = 10; int *ptr = &x; *p
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Coding questions related to data structures and algorithms.

Q1. Python async db questions
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One hour aptitude test based on the mathematics ,logical reasoning.

Q1. One basic question on the language you know and one SQL is asked
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Q2. SQL query questions
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Q1. 4 Coding question to be solve live
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