Isthara Mobile Application Developer Interview Questions and Answers

Q1. What is lazyloading
Ans. 
Lazy loading is a design pattern commonly used in software development to defer the loading of non-essential resources until they are actually needed.
• Lazy loading helps improve performance by only loading resources when they are required.

• It is commonly used in web development to load images, videos, or other content as the user scrolls down a page.

• Lazy loading can also be used in database queries to fetch data only whe
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Q2. What is difference between angularJS and angular 2
Ans. 
AngularJS is the first version of Angular, while Angular 2 is a complete rewrite with improved performance and features.
• AngularJS is based on JavaScript, while Angular 2 is based on TypeScript.

• AngularJS uses controllers and $scope for data binding, while Angular 2 uses components and directives.

• AngularJS has two-way data binding, while Angular 2 has one-way data binding.

• AngularJS has a digest cycle for change detection...read more
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Q1. Puzzle asked from CEO
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Q1. Why would you like to join us
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Q2. Why would u like to join us
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Q1. Easy opps and java
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Q1. Puzzles , above myself and sql
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SQL -- LeetCode style questions Medium lvl

Q1. Past experiences
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Q2. How one can help with eshopbox
Ans. 
One can help with eshopbox by analyzing data to improve customer experience and optimize sales.
• Conduct data analysis to identify trends and patterns in customer behavior

• Use data to personalize marketing strategies and recommend products to customers

• Optimize website layout and user experience based on data insights

• Implement data-driven pricing strategies to maximize sales and profits
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Core Java, Spring boot, Hibernate, MySQL

Q1. Technical Questions
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Q2. Logic Problems
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Q1. Logic Problems solving (face to face interview)
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Q2. Personality check
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Q1. Basic discussions
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Q2. Expectations to work
Ans. 
I expect a collaborative environment, opportunities for growth, and clear communication to enhance productivity and job satisfaction.
• Collaboration: I thrive in teams where ideas are shared openly, like during code reviews or brainstorming sessions.

• Growth Opportunities: I appreciate companies that invest in employee development, such as offering training programs or workshops.

• Clear Communication: Regular updates and fee...read more
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It was good , 2 questions are there to code.

Q1. Cs fundamental, Projects, coding.
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Q2. A simple coding question of string using map
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Q1. What is React router. what does it do.
Ans. 
React Router is a popular routing library for React applications.
• React Router is used for handling navigation in React applications.

• It allows defining multiple routes in the application and rendering different components based on the URL.

• React Router provides components like BrowserRouter, Route, Switch, and Link for routing.

• Example: will render the About component when the URL
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Q2. Questions based on react basics.
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A simple Google form assignment to shortlist candidates

Q1. ML related questions
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Q2. Find duplicates in array
Ans. 
Use a hash set to find duplicates in an array of strings.
• Create a hash set to store unique elements.

• Iterate through the array and check if each element is already in the hash set.

• If it is, then it is a duplicate.

• Example: ['apple', 'banana', 'apple', 'orange'] should return 'apple' as a duplicate.
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