Toppr Software Developer Interview Questions and Answers

Q1. Mother vertex and connected city
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Leetcode aMedium to Hard

Q1. Question related Web architecture
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45 mins, Amcat , Basic to advance question

They discussed some easy questions on Node JS and Dp and heap , binary search

Q1. Introduce yourself
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Q2. What is multithreading and explain its usecases.
Ans. 
Multithreading is the ability of a CPU to execute multiple threads concurrently, improving performance and responsiveness.
• Multithreading allows for parallel execution of tasks, improving performance by utilizing multiple CPU cores.

• It is commonly used in applications that require handling multiple tasks simultaneously, such as web servers, video games, and data processing.

• Multithreading can help improve responsiveness i...read more
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Asking the dp and tree and other

Q1. Asking the project based question and
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Q1. Some question asking base on cultural base and resume based
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Q1. Talk about your projects
Ans. 
I have worked on various projects, including web applications, mobile apps, and data analysis tools, showcasing my diverse skill set.
• Developed a responsive web application using React and Node.js for an e-commerce platform, improving user engagement by 30%.

• Created a mobile app for a local restaurant that allows users to place orders online, resulting in a 25% increase in sales.

• Built a data analysis tool using Python an...read more
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Q2. Some Node JS question
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Q1. Explain about Android lifecycle
Ans. 
Android lifecycle refers to the series of states that an activity or fragment goes through from creation to destruction.
• Android lifecycle includes states like onCreate, onStart, onResume, onPause, onStop, onDestroy, etc.

• Activities and fragments transition between these states based on user interactions and system events.

• Understanding Android lifecycle is crucial for managing resources, saving state, and handling config...read more
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Q2. Explain about fragment lifecycle
Ans. 
Fragment lifecycle refers to the series of events that occur in the lifespan of a fragment in an Android app.
• Fragments go through various states like created, started, resumed, paused, stopped, and destroyed.

• Fragment lifecycle methods include onCreate(), onCreateView(), onResume(), onPause(), onStop(), onDestroy(), etc.

• Fragment lifecycle is closely tied to the hosting activity's lifecycle.

• Understanding fragment lifecyc...read more
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