Aauid Media Interview Questions and Answers

1. How to make an api call in java and count the number of items in the response?
2. Longest Incresing subsequence (leetcode)

with some MCQs in Java and microservices

Q1. What is java8. its features and uses
Ans. 
Java 8 is a major release of the Java programming language with new features like lambda expressions, streams, and default methods.
• Lambda expressions allow functional programming in Java.

• Streams provide a new way to work with collections in a more concise and efficient manner.

• Default methods allow interfaces to have method implementations.

• Java 8 also introduced the new Date and Time API for better handling of date and ...read more
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Q2. Use of microsevices in java. and its implmenatation
Ans. 
Microservices in Java are a way to design software applications as a collection of small, loosely coupled services.
• Microservices architecture breaks down a large application into smaller, independent services that can be developed, deployed, and scaled independently.

• Each microservice typically focuses on a specific business function and communicates with other services through APIs.

• Java is a popular language for implem...read more
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Q3. Design patterns in java.
Ans. 
Design patterns in Java are reusable solutions to common problems in software design.
• Design patterns help in creating maintainable and scalable code.

• Examples include Singleton, Factory, Observer, Strategy, and Decorator patterns.

• Each design pattern has its own purpose and implementation details.

• Design patterns promote code reusability and flexibility in software development.
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Q4. Find the height of binary tree using recursion?
Ans. 
Recursively find the height of a binary tree by comparing the heights of left and right subtrees.
• Start by checking if the root is null, return -1 if so.

• Recursively find the height of the left subtree and right subtree.

• Return the maximum of the heights of the left and right subtrees, plus 1 for the current node.
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Q1. Discussion about carrer summery. what is your roles and responsibilities in projects done by you. challanges faced in the developmenet area. how to identifty problems in code.
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Q2. Find the longest substring in string without repeating characters
Ans. 
Find the longest substring in a string without repeating characters.
• Use a sliding window approach to iterate through the string.

• Keep track of the characters seen so far in a set.

• Update the start of the window when a repeating character is encountered.

• Calculate the length of the current substring and update the longest substring found.

• Repeat until the end of the string is reached.
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Q1. HTML5 CSS3 Basics and Advanced
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Q2. Javascript Basics and Advanced
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Q1. RO basic questions Wiring Installation Electrical consumption unit Hvac
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Q1. Find 3rd transaction of user from uber cab dataset
Ans. 
To find the 3rd transaction of a user from the Uber cab dataset.
• Identify the user's transactions in the dataset

• Sort the transactions by date/time

• Select the 3rd transaction of the user
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Q2. Find last quarter ordered product from logistics dataset
Ans. 
To find the last quarter ordered product from logistics dataset.
• Identify the date range for the last quarter

• Filter the dataset for orders within that date range

• Identify the product ordered in the last quarter
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Q1. Tell me about yourself
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Q1. Explain how power bi works
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Q1. Merge 2 sorted Arrays
Ans. 
Merging two sorted arrays into a single sorted array
• Create a new array to store the merged result

• Use two pointers to iterate through both arrays and compare elements

• Add the smaller element to the new array and move the pointer for that array
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Q2. Write polyfill for getElementById
Ans. 
Polyfill for getElementById function in JavaScript
• Create a function named getElementById

• Check if the function already exists, if not, create it

• Use document.querySelector to select the element by ID

• Return the selected element
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Q3. What are the new features in React 18 ? Optimisation techinques in React ? Concurrency in React ?
Ans. 
React 18 introduces new features like automatic batching, start transition, and streaming server renderer. It also focuses on performance optimizations and concurrent rendering.
• New features in React 18 include automatic batching, start transition, and streaming server renderer.

• Optimization techniques in React 18 involve concurrent rendering, improved scheduling, and reduced re-renders.

• Concurrency in React 18 allows for...read more
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Q1. HLD round to develop Autocomplete feature End to End with API contracts and architecture.
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Q2. Remove duplicate characters from a sentence
Ans. 
Remove duplicate characters from a sentence
• Create an empty array to store unique characters

• Iterate through each character in the sentence

• Check if the character is already in the array, if not add it
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Q1. Explain oracle Archit
Ans. 
Oracle architecture is a multi-tiered system with components like client, server, and database.
• Oracle architecture consists of client, server, and database components.

• The client communicates with the server to access the database.

• The server processes the client's requests and interacts with the database.

• The database stores and manages the data.

• Oracle architecture is designed to be scalable and secure.
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Q2. About pacting the database
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Basic aptitude test with LR questions

Q1. About what you do, your past experince and portfolio
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Design assignment for their app.

Q1. Questions around submitted assignment
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Q1. Final round with design head.
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Q1. Cultural round questio. Situation based questions.
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Q1. Tell me about yourself
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Q1. Dictation on Shorthand
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Q1. Background in depth
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