Planet Spark Associate Software Engineer Interview Questions and Answers

Two dynamic programming challenges at the hard level on LeetCode and 10 medium-level SQL challenge.

Explain about DSA and its example in realtime.

Q1. Android architecture mvvm mvc kotlin
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Q2. Coroutines flows
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Q1. Concepts of node and Js
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Q1. Sdlc lifecycle of components and architecture.
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SDLC lifecycle involves planning, designing, developing, testing, deploying, and maintaining software components and architecture.
• SDLC (Software Development Life Cycle) includes phases like planning, designing, coding, testing, and maintenance.

• Components are designed, developed, tested, and integrated into the overall architecture.

• Architecture involves defining the structure, behavior, and interactions of software comp...read more
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Q1. Role and responsibility my tasks and questions on project
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Q1. Tell me about yourself
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Q2. Coding Question
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Q1. Tell me about yourself
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Q2. Salary discussion
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Q1. What is OOPS concepts.
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OOPS concepts refer to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation detail
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Q2. What is PDO and uses in PHP.
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PDO stands for PHP Data Objects, a database access layer providing a uniform method of access to multiple databases.
• PDO is a PHP extension that provides a data-access abstraction layer.

• It supports multiple database systems like MySQL, PostgreSQL, SQLite, etc.

• PDO helps prevent SQL injection attacks by using prepared statements.

• It allows for error handling and supports transactions.

• Example: $pdo = new PDO('mysql:host=loc...read more
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DS algo questions with about 3 questions in topic like graph, strings ,arrays

Q1. DS algo question on LinkedIn list
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Q2. DS algo question on graph
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Asked 3 technical questions on heaps, Ll, treees