Fino Payments Bank Software Developer Interview Questions and Answers

Q1. Explain event driven architecture of node.js
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Q1. Tell about ur self
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Q2. What is your passion
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Q1. What is the best approach to finding and inserting an element in a Binary Search Tree (BST)?
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Finding and inserting elements in a BST involves recursive or iterative traversal based on comparisons.
• Start at the root node and compare the target value with the current node's value.

• If the target is less, move to the left child; if greater, move to the right child.

• Repeat the process until you find the target (for search) or reach a null position (for insertion).

• For insertion, create a new node at the null position w...read more
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Q2. How do you add an element to a HashMap?
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To add an element to a HashMap, use the put() method with a key-value pair.
• Use the put(key, value) method to add an element.

• Example: map.put('key1', 'value1');

• If the key already exists, the value will be updated.

• Example: map.put('key1', 'newValue'); // updates value for 'key1'

• HashMap allows null values and one null key.
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Q1. Streams, Multi Threading, Heap
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Q1. Can you provide details about your project?
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Developed a web application for tracking inventory and sales data
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database management
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Q1. What is HTML?
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HTML stands for Hyper Text Markup Language. HTML is the standard markup language for creating Web pages. HTML describes the structure of a Web page. HTML consists of a series of elements. HTML elements tell the browser how to display the content.
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Q2. What is CSS?
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Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML (including XML dialects such as SVG, MathML or XHTML). CSS describes how elements should be rendered on screen, on paper, in speech, or on other media.
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Q3. What is MySQL?
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Q4. What is Java?
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Q5. What is the full form of PHP?
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The full form of PHP is Hypertext Preprocessor. It was abbreviated previously as Personal Home Page. It is a programming language widely used to build web applications or websites.
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It had more than 30 aptitude questions and 2 coding questions

Q1. It was totally a tech round all questions were from Data structure, dbms, java, computer networking
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