Schlumberger Senior Software Engineer Interview Questions and Answers

SQL query and Dynamic Programming problem.
Math games

Q1. Introduction and project details
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Question on stock prices

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

Hackerrank coding test

Q1. Questions related to Nodejs and reactjs and system design
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Q1. This is more related to behaviour round with hiring manager.
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Q1. Related to salary expectation
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Based on skillset, focus on coding

Q1. System design, coding, deep dive
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Q1. Behavioral questions to understand culture fit
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1 que was asked regading linked list , little bit complex

Q1. One que on LRU cache, not simple one
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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?
Ans. 
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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