Zidio Development Software Developer Interview Questions and Answers

Q1. Coding questions from c, java and python
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Q2. Basic Database related questions
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Three coding questions related to arrays, strings, and mathematics.

Q1. What is the difference between a database and a data structure?
Ans. 
A database is a collection of data organized in a structured way, while a data structure is a way to store and organize data within a program or system.
• Database is a collection of related data stored in a structured format, like tables in SQL.

• Data structure is a way to organize and store data within a program, like arrays or linked lists.

• Databases are used to store and retrieve data efficiently, while data structures h...read more
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Q2. React vs Angular
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React is a lightweight library for building user interfaces, while Angular is a full-fledged framework with more features and complexity.
• React is more flexible and easier to learn compared to Angular.

• Angular provides more out-of-the-box features like routing, forms, and HTTP client.

• React is component-based, while Angular uses a more opinionated MVC architecture.

• React is maintained by Facebook, while Angular is maintain...read more
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Q1. Java 8 new features
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Java 8 introduced several new features including lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow you to pass functionality as an argument to a method.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Streams provide a way to work with sequences of elements and perform aggregate operations.

• Default methods allow interfaces to have ...read more
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3 hours coding test and majorly focus on javascript.

Q1. Find the second most occurrence if string in JavaScript
Ans. 
Find the second most occurrence of a string in an array of strings in JavaScript.
• Create a map to store the count of each string in the array

• Sort the map by values in descending order to find the most occurrence

• Return the key of the second element in the sorted map
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Before Aptitude Test, There was a telephonic interview round in which they test your communication and ask questions about your education and projects. You just have to show your confidence to pass this round. After that, the aptitude test was quite easy. There are 15 questions all are doable in just 15 to 20 minutes of time span.

After that, The coding round takes place in which they provide you with a device with an online compiler of your preferred programming language and ask you to solve 4 questions without using any built-in function. The questions are based on Linked Lists, Stacks, Arrays, etc. You have to do it all manually. This round lasts up to 1 hour.

Q1. The technical round takes place in which they ask different questions from your coding round, a few concept-based ones, and also a few questions to test your thinking and problem-solving abilities like the...read more
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Easy aptitude test containing mathematics and logical questions

4 leetcode easy to medium level

Q1. Questions on project and tech stack.
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Aptitude questions with some basic coding questions

They have given 3 coding questions and some pseudo codings

Q1. Tell about your self
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Q2. Some coding questions
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