HSBC Global Banking and Markets Senior Java Developer Interview Questions and Answers

Q1. What do you mean by profile in spring boot..
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Q2. Coding on hashmap and basic on access modifiers
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Q3. Kafka partition n cluster
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Q4. Write a hashcode method
Ans. 
A hashcode method generates a unique integer value for an object based on its properties.
• Override the hashCode() method in Java to generate a unique integer value for an object.

• Use the properties of the object to calculate the hash code.

• Ensure that equal objects have the same hash code.
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Q1. Java memory Managment
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Q2. Garbage Collection
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Print Dice combination based on the rolled output

Q1. Explain event driven architecture of node.js
Ans. 
Node.js uses event-driven architecture where events trigger callbacks to handle asynchronous operations.
• Node.js uses event loop to handle asynchronous operations efficiently

• Events are emitted by various objects in Node.js like HTTP servers, file system, etc.

• Callbacks are registered to handle events and execute code when events occur
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It was spring boot java based online round

Q1. Optional in java.
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Q2. Eager and lazy initialization in simgleton design pattern
Ans. 
Eager initialization creates the instance of Singleton class at the time of class loading, while lazy initialization creates the instance only when it is required.
• Eager initialization can lead to resource wastage if the instance is never used.

• Lazy initialization is more efficient as it only creates the instance when needed.

• Eager initialization is thread-safe by default, while lazy initialization requires synchronizatio...read more
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Data structures and computer fundamentals

Q1. Data structures
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Q2. Medium leetcode
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Q1. How do you balance work and life ?
Ans. 
I prioritize my work and set boundaries to ensure a healthy work-life balance.
• I prioritize my tasks and set realistic goals to manage my workload effectively.

• I establish clear boundaries between work and personal life to avoid burnout.

• I practice time management techniques, such as creating schedules and prioritizing tasks.

• I make sure to take breaks and engage in activities outside of work to recharge.

• I communicate open...read more
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Q2. What is a positive quote for work ?
Ans. 
A positive quote for work can inspire and motivate individuals to achieve their goals and excel in their professional endeavors.
• A positive attitude leads to positive outcomes.

• Hard work and dedication are the keys to success.

• Believe in yourself and your abilities.

• Success is not final, failure is not fatal: It is the courage to continue that counts.

• The only way to do great work is to love what you do.

• Don't watch the cloc...read more
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It had more than 30 aptitude questions and 2 coding questions

Q1. It was totally a tech round all questions were from Data structure, dbms, java, computer networking
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