Bank Muscat Senior Engineer Interview Questions and Answers

Q1. Group id in kafka consumer configuration
Ans. 
Group id is a unique identifier for a group of consumers in Kafka consumer configuration.
• Group id helps in coordinating the consumption of messages among multiple consumers in a consumer group.

• Each consumer group should have a unique group id to ensure proper message distribution.

• Changing the group id will result in the consumer group starting consumption from the beginning of the topic.

• Group id is specified in the con...read more
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Q2. Recursive algorithm for multiplying 2 numbers
Ans. 
Recursive algorithm for multiplying 2 numbers
• Define a base case for when one of the numbers is 0

• Use recursion to repeatedly add the second number to the result until the first number reaches 0

• Consider handling negative numbers and optimizing for efficiency
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Q3. Spring filters implementation
Ans. 
Spring filters are used to intercept HTTP requests and responses in a Spring application.
• Spring filters can be used for logging, authentication, authorization, etc.

• They are implemented using the javax.servlet.Filter interface.

• Filters can be configured in the web.xml file or using annotations like @WebFilter.

• Example: Implementing a logging filter to log incoming requests and outgoing responses.
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Q4. SQL query for first 5 biggest salaries
Ans. 
SQL query to retrieve the first 5 biggest salaries from a table
• Use the ORDER BY clause to sort salaries in descending order

• Use the LIMIT clause to limit the results to the first 5 rows
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Q1. TestNG Framework Explanation
Ans. 
TestNG is a testing framework for Java that supports various testing levels and annotations.
• TestNG allows for easy configuration of test cases using annotations like @Test, @BeforeTest, @AfterTest, etc.

• It supports parameterization of test cases using @DataProvider annotation.

• TestNG provides features like grouping of test cases, dependency management, parallel execution, and reporting.

• It integrates well with build tools...read more
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Q2. Selenium and Java concepts
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Core java , string, thread , sql, mvc, spring boot

Q1. 2 coding questions on array and string
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Q2. Sorting , thread
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Q1. Managerial round
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Q2. Project and some basic questions
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Q3. Describe your project
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Q1. 1. Asked me to create rest controller with given end point 2. String equality questions in string pool and new string object
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Q1. Basics of java script
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