HDB Financial Services Software Engineer Interview Questions and Answers

Q1. Jdbc , Spring , Collection in java
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Q2. Final vs finally . Explain
Ans. 
Final and finally are two different words with different meanings.
• Final is an adjective that means last or ultimate, as in final exam or final decision.

• Finally is an adverb that means at last or in the end, as in finally, we reached our destination.

• Final is used to describe something that is definitive or conclusive, while finally is used to describe the end of a process or event.

• Examples: The final score of the game w...read more
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Q3. Abstraction and encapsulation
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Q1. 1)Project related,
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Q2. What is the Polymorphism?
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Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.
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Q3. What is RestController?
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RestController is a class in Spring framework used to handle HTTP requests and return responses as JSON or XML.
• Handles HTTP requests in Spring framework

• Returns responses as JSON or XML

• Annotate a class with @RestController to define it as a RestController

• Example: @RestController public class UserController {}
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Find the number of occurrences of each element in the given ArrayList

Q1. Discussion with hr like reason to switch.
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Pen paper test with 5 mcq and 3 coding questions mostly on array sorting etc

Q1. Write a code for concatenation of two arrays without using Math function
Ans. 
Concatenate two arrays without using Math function
• Create a new array with the combined length of the two input arrays

• Iterate through the first array and copy elements to the new array

• Continue iterating through the second array and copy elements to the new array
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Q1. Tell me about yourself
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I am a passionate software developer with experience in building web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and deployment tools like Heroku

• Strong problem-solving skills and ability
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Give all the lists of numbers by adding which we can achieve the target

Q1. Basic questions on resume and Behavioural questions
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Q1. Salary discussion and background check
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Maths
Logical
English
C

Basic question of easy-medium difficulty

Q1. Simple problems on Data structure and algorithm.
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Basics of DSA, Computer Fundamentals etc

Q1. Tell me about your project
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