Bharat Petroleum Software Developer Interview Questions and Answers

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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60 aptitude que in 30 mins

Coding test- with 2 coding que

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

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

Basic two coding questions will be and also apptitude questions also included.

Q1. What is the difference between virtual function and friend function
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Q2. Explain your projects
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Q1. Basic c# threading
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Q1. STAR pattern related question
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