PayMate India Software Developer Interview Questions and Answers

Q1. What is Java String pool?
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Q1. Did you have any conflicts with your peers and have did you handle it?
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There was a hacker rank assignment

Leetcode style question, medium

Q1. System design question normal
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Coding question of moderate difficulty

Q1. They asked Java coding question
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3 dsa questions medium level

Q1. 2 medium level dp questions based on string and stocks
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Q2. One hard question based on graph
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Q1. Hr questions and java , springboot questions etc
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Test was based on arrays and some dsa concepts.

Q1. Internal Implementation of HashMap
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DSA leetcode on hackerrank

Q1. Function of js , same type of array and loop
Ans. 
JavaScript functions can manipulate arrays using loops, enabling efficient data processing and iteration over elements.
• Function Declaration: Functions can be declared to perform operations on arrays, e.g., `function sum(arr) { return arr.reduce((a, b) => a + b, 0); }`.

• Array Methods: JavaScript provides built-in methods like `forEach`, `map`, and `filter` for looping through arrays, e.g., `arr.map(x => x * 2)`.

• For...read more
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Q2. What is web ?
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The web is a vast network of interconnected documents and resources, accessed via the internet using browsers.
• Hypertext: The web uses hyperlinks to connect documents, allowing users to navigate between pages easily.

• Web Browsers: Applications like Chrome, Firefox, and Safari enable users to access and interact with web content.

• HTML, CSS, and JavaScript: These core technologies are used to create and style web pages, pro...read more
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Q3. Why we use javascript?
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JavaScript is essential for creating interactive web pages, enhancing user experience, and enabling dynamic content updates.
• Interactivity: JavaScript allows developers to create interactive elements like sliders, forms, and buttons that respond to user actions.

• Dynamic Content: With JavaScript, web pages can update content dynamically without needing to reload, using techniques like AJAX.

• Client-Side Validation: JavaScri...read more
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