DeltaPro Software Software Developer Interview Questions and Answers

Q1. Spark architecture.
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Q2. Narrow and wide transformations
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Prepare well for coding question based on leetocde medium level and hard level.try to understand code you write , they ask questions from coding round also

Q1. Tell about your brief introduction
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring Boot, and Angular

• Developed web applications
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Q2. About the porjects and internships you have done, how you implemented
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Focus on Data structure problems and back tracking

Q1. OOPS Concepts and Data Structures
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Q2. SQL related queries and problem solving ability
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Coding round consists of two sections and each section has 2 questions. One question is based on oops to solve a real life problem.

Q1. Explain diamond problem in OOPS
Ans. 
The diamond problem is an ambiguity that occurs when a class inherits from two classes that have a common base class.
• Occurs in multiple inheritance

• Results in ambiguity in method resolution

• Can be resolved using virtual inheritance

• Example: Class A -> Class B, Class C -> Class D, Class B and Class D inherit from Class A, Class C inherits from both Class B and Class D
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Q2. Explain the virtual function in OOPS
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Virtual functions in OOPS allow a derived class to provide its own implementation of a method defined in the base class.
• Virtual functions are declared in the base class and can be overridden by derived classes.

• They enable polymorphism, allowing objects of different classes to be treated as objects of the same base class.

• The virtual keyword is used to declare a function as virtual in the base class.

• The derived class can...read more
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Data structures and algorithms

Data structures and algorithms

50 questions was and the duration was 45 mins

Dsa and development questions were asked, and computer fundamentals were also asked.

It includes C programming questions and other language too

2 Medium DSA problem based upon tree

Medium dsa problem based on graph

Q1. Design parking management
Ans. 
Design a parking management system
• Consider the number of parking spaces and their availability

• Implement a system to track and manage parking reservations

• Include features like payment processing and ticketing

• Design a user-friendly interface for customers and administrators

• Ensure scalability and efficiency of the system
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Q1. Normal discussion regarding previous experiences
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