HSBC Bank Software Developer Interview Questions and Answers

Mcq+coding which are medium level questions

Q1. Multiple inheritance allowed in java?
Ans. 
No, multiple inheritance is not allowed in Java.
• Java does not support multiple inheritance for classes to avoid the diamond problem.

• However, multiple inheritance is allowed for interfaces in Java.

• Example: class A extends B, C is not allowed, but interface X extends Y, Z is allowed.
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Q2. Diff btw static and final
Ans. 
Static is used to define class-level variables and methods, while final is used to define constants and prevent inheritance or modification.
• Static variables and methods belong to the class itself, while final variables cannot be changed once initialized.

• Static members can be accessed without creating an instance of the class, while final members must be accessed through an instance.

• Static variables are shared among all...read more
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Q3. What is data encapsulation?
Ans. 
Data encapsulation is the concept of bundling data and methods that operate on the data into a single unit, known as a class.
• Encapsulation hides the internal state of an object and only exposes the necessary functionalities through methods.

• It helps in achieving data abstraction and information hiding.

• Example: A class 'Car' encapsulates data like speed, color, and methods like accelerate() and brake().
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Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Team player with excellent communication skills
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Q2. What are company core values
Ans. 
Company core values are the fundamental beliefs that guide the behavior and decisions of employees.
• Integrity - acting with honesty and transparency in all dealings

• Innovation - constantly seeking new and better ways to solve problems

• Customer focus - prioritizing the needs and satisfaction of customers

• Teamwork - collaborating effectively with colleagues to achieve common goals
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It was easy they were asked cognitive,verble,reasoning questios and 2 coding question,and 1 sql query it was online

Q1. Discussion on projects then asked some question on oop,sql query
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Q2. Asked question on dsa it was easy like reverse linked list and how to detect loop in linked list and how to delete it
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Q1. Discussion on projects,and give situational question
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Q2. Then ask about family background
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Q1. Objects in java 8
Ans. 
Java 8 introduced the concept of functional programming with the addition of lambda expressions and streams.
• Lambda expressions allow for concise code and easier parallel programming.

• Streams provide a way to work with collections of objects in a functional style.

• Functional interfaces like Predicate, Function, and Consumer are commonly used with lambda expressions.
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Q2. Spring boot basic concepts
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Q1. Coding challenge in java 8
Ans. 
Implement a coding challenge in Java 8
• Use lambda expressions and functional interfaces to write concise and readable code

• Utilize streams to process collections efficiently

• Leverage method references for cleaner code
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Q2. Personal project architecture questions
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