Healthcare At Home Java Developer Interview Questions and Answers

Computer fundamentals

Q1. Technical questions of projects ,dsa
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Q1. What is ur background
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Q2. Manegarial and behavioral questions
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It was an MCQ based test. Code Snippets as well as OOPS, OS, DBMS questions were there

Q1. How to implement a stack OS Questions Problem Solving Questions OOPS concepts DS questions
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Q1. Smart Pointers About the project done in college
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IT was basic question from string and array

Q1. Data structure question find all leaf node from tree.
Ans. 
Use depth-first search to traverse the tree and identify leaf nodes.
• Implement depth-first search algorithm to traverse the tree.

• Identify nodes with no children as leaf nodes.

• Store leaf nodes in an array for retrieval.
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Q2. Print sentence word in reverse order without using default function. eg: input:-> I live in New York. output:-> I evil ni weN kroY.
Ans. 
Reverse each word in a sentence without using default function.
• Split the sentence into words

• Iterate through each word and reverse it

• Join the reversed words back into a sentence
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Q1. Programming question :Fibonacci series using recursion.
Ans. 
Fibonacci series using recursion is a classic programming problem where each number is the sum of the two preceding ones.
• Define a recursive function that takes an integer n as input

• Base case: if n is 0 or 1, return n

• Recursive case: return the sum of the previous two Fibonacci numbers

• Call the function recursively with n-1 and n-2 until base case is reached
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Q2. Programming question: Find 1st 2nd and 3rd highest from array of integer.
Ans. 
Find 1st, 2nd, and 3rd highest integers from an array.
• Sort the array in descending order.

• Retrieve the first three elements from the sorted array.

• Handle cases where array length is less than 3.
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Q1. They asked Puzzle
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Q1. Salary Discussion
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Q1. Question on Template concept in c++
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Q2. Questions related to string
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Q1. Input output pointers related
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Q2. Polymorphism,casting class,
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Q1. Data structure used for snake and ladder
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Q1. Oops, c#, design , .net framework
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Q1. Managerial, projects
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C++ related aptitude test. OOPs questions.

Questions related to linked list. Virtual functions and virtual destructor.
Reversing a LinkedIn list.

Q1. Project related interview.
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Q2. Which stack used?
Ans. 
We primarily use the MERN stack for our web development projects.
• MERN stack includes MongoDB, Express.js, React, and Node.js

• MongoDB is used as the database to store data

• Express.js is used as the backend framework for building APIs

• React is used for building the user interface

• Node.js is used as the server-side runtime environment
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Q3. How threads were handled?
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Threads are handled by creating and managing lightweight processes within a program to improve performance and responsiveness.
• Threads are managed by the operating system or a thread library.

• Threads share the same memory space within a process.

• Threads can communicate with each other through shared memory or message passing.

• Thread synchronization is important to prevent race conditions and ensure data consistency.

• Example...read more
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