Cosmo Solutions Software Engineer Interview Questions and Answers

Standard quantitative questions accompanied by logical reasoning and related topics.

Q1. Asked about my projects.
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Q2. What are the basic Object-Oriented Programming (OOP) concepts, including polymorphism and inheritance?
Ans. 
OOP concepts include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass.

• Abstraction: Hides complex implementation details and only shows the necessa
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Q3. Can you explain React, how it functions, and the related concepts?
Ans. 
React is a JavaScript library for building user interfaces.
• React allows developers to create reusable UI components.

• It uses a virtual DOM for efficient rendering.

• React uses a declarative approach to define how the UI should look based on the application state.

• It supports server-side rendering for improved performance.

• React can be used with other libraries like Redux for state management.
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Q4. About my final year project and how would you improve it?
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Q1. Can you introduce yourself and provide some information about your family?
Ans. 
I am a software engineer with a passion for coding and problem-solving. I come from a close-knit family with supportive parents and siblings.
• Software engineer with coding and problem-solving skills

• Close-knit family with supportive parents and siblings
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Q2. What are your strengths and weaknesses, and how are you addressing your weaknesses?
Ans. 
My strengths include problem-solving and teamwork, while my weaknesses are time management and public speaking. I am addressing my weaknesses by taking time management courses and practicing public speaking.
• Strengths: problem-solving, teamwork

• Weaknesses: time management, public speaking

• Addressing weaknesses: taking time management courses, practicing public speaking
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Q1. Can you provide a detailed explanation of object-oriented programming concepts?
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What is apex and trigger
asked on lwc
Integration using rest api
Best practices

Q1. Trigger on opportunity to calculate sum child to parent event communication child parent LWC wire method Integration rest api
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Q2. Wirte lwc component using combobox
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Q3. Write batch class
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Q4. Write callout apex class
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