HSBC Group Senior Software Developer Interview Questions and Answers

Q1. Basic Questions on project experience Designing a Image storage system Coding: How to find if 2 arrays are equal Coding: Group employee data by department Working of Kafka
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Q1. OOP basic about the concept
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Q2. Ms Sql based sql queries
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Q1. How exception handing in api
Ans. 
Exception handling in API involves catching and handling errors that occur during API execution.
• Use try-catch blocks to catch exceptions and handle them appropriately

• Throw custom exceptions to provide meaningful error messages to API consumers

• Use status codes to indicate the outcome of API requests (e.g. 200 for success, 400 for client errors, 500 for server errors)

• Log exceptions to track errors and troubleshoot issues

• ...read more
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Q2. Code for multiplication table
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Code to generate a multiplication table in a programming language
• Use nested loops to iterate through rows and columns

• Print the product of row and column for each cell

• Consider formatting the output for better readability
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DP graphs strings it was good

Q1. Reverse a linkded list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, previous, and next

• Iterate through the list, updating pointers to reverse the direction

• Return the new head of the reversed list
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Q2. Print fibonacci series
Ans. 
The Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Start with two variables initialized to 0 and 1

• Loop through desired number of iterations, adding the previous two numbers to get the next number

• Print or store each number in the series
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Q1. How do you define clean code?
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Clean code is well-organized, easy to read, and maintainable code that follows best practices.
• Clean code is easy to read and understand by other developers.

• It follows consistent naming conventions for variables, functions, and classes.

• Clean code is well-organized with proper indentation and spacing.

• It avoids unnecessary complexity and duplication.

• Clean code is modular and follows the single responsibility principle.

• Exa...read more
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Q2. How to better test your code?
Ans. 
To better test your code, use a combination of unit tests, integration tests, regression tests, and automated testing.
• Write unit tests to test individual components or functions in isolation.

• Perform integration tests to test how different components work together.

• Implement regression tests to ensure that new code changes do not break existing functionality.

• Utilize automated testing tools to run tests quickly and effici...read more
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Logical,quants,coding

Q1. Java,sql,testing,sdlc
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Q2. What is method overriding?
Ans. 
Method overriding is a feature in object-oriented programming where a subclass provides a specific implementation of a method that is already provided by its parent class.
• In method overriding, the method in the subclass has the same name, return type, and parameters as the method in the parent class.

• The purpose of method overriding is to provide a specific implementation of a method in the subclass that is different fr...read more
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Q3. What is exception handling in java?
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Exception handling in Java is a mechanism to handle runtime errors and prevent program crashes.
• Exceptions are objects that represent errors or unexpected events during program execution.

• Java provides try, catch, and finally blocks to handle exceptions.

• try block contains the code that may throw an exception, catch block handles the exception, and finally block is executed regardless of an exception.

• Example: try { // cod...read more
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Q1. Normal questions
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Q2. Why you want to join our company?
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Work and distance, work and time

SQL server and manual test and Java

Number system and rational and proportion

Clarity on manual test and Java class

Q1. What is the software
Ans. 
Software is a set of instructions that tells a computer what to do.
• Software is a collection of programs, data, and instructions that tell a computer how to perform specific tasks.

• It can be categorized into system software, application software, and middleware.

• Examples of software include Microsoft Office, Adobe Photoshop, and Google Chrome.
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Q2. What is the white Box testing
Ans. 
White Box testing is a software testing technique that examines the internal structure and implementation of the system.
• White Box testing is also known as Clear Box testing, Glass Box testing, or Structural testing.

• It involves testing the code, logic paths, and internal components of the software.

• Test cases are designed based on the knowledge of the internal structure of the system.

• It helps in identifying errors, code ...read more
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Q3. What is the software testing
Ans. 
Software testing is the process of evaluating a software application or system to ensure it meets the specified requirements.
• Software testing is done to identify defects or errors in the software.

• It involves executing the software with test cases and comparing the actual results with expected results.

• Different types of testing include unit testing, integration testing, system testing, and acceptance testing.

• Testing can...read more
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