Align Technology Front end Developer Interview Questions and Answers

Q1. Oops, c#, design , .net framework
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Q1. Managerial, projects
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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. How do we achieve multi threading in WPF application
Ans. 
Multi threading in WPF can be achieved using the Task Parallel Library (TPL) or BackgroundWorker class.
• Use Task.Run() method to run code on a separate thread.

• Use async/await keywords to perform asynchronous operations.

• Use BackgroundWorker class for simpler multi-threading scenarios.
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Q2. Explain your current project
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