HSBC Group Interview Questions, Process, and Tips

Q1. CompletableFuture VS Future
Ans. 
CompletableFuture is an enhanced version of Future in Java that provides more flexibility and functionality.
• CompletableFuture is part of the Java 8 concurrency framework.

• It allows chaining of multiple asynchronous operations.

• CompletableFuture can be explicitly completed or cancelled.

• It supports callbacks and combinators for handling completion.

• Future is a basic interface for representing the result of an asynchronous c...read more
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Q2. ConcurrentHashmap
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Q3. Composition Vs inheritance
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Composition is a design principle where objects are composed of other objects, while inheritance is a mechanism where objects inherit properties and behaviors from a parent object.
• Composition promotes code reusability and flexibility by allowing objects to be composed of other objects.

• Inheritance allows objects to inherit properties and behaviors from a parent object, promoting code reuse.

• Composition is more flexible t...read more
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Q4. Spring boot, microservices, Design patterns
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Q1. Tell me about yourself
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Q1. As a Consultant how will you manage a stubborn customer
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Q1. What are your strengths and how do you plan to use them to add value to this job
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Above sql, c , python ,java,

Two coding question of avg range

3 questions, pretty easy ones

Q1. Equals and hashcode implementation
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Q2. Config server configuration steps
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Config server configuration steps
• Install and set up the config server software

• Configure the server with the necessary properties and settings

• Define the repository for storing configuration files

• Create and manage configuration files

• Ensure proper security measures are in place

• Test and validate the configuration

• Monitor and maintain the config server
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Q3. Patch mapping in spring rest
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Patch mapping in Spring REST is used to partially update resources.
• Patch mapping allows clients to send only the fields that need to be updated instead of sending the entire resource.

• It is useful when updating large resources or when clients have limited bandwidth.

• Spring provides the @PatchMapping annotation to handle patch requests.

• The @PatchMapping annotation can be used with a specific URL or with a wildcard URL pat...read more
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Q1. About Data Analyst Role
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Q2. Queries on SQL and Python
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