ICON Plc ASP.NET Web Developer Interview Questions and Answers

Q1. Anagram of two strings in java
Ans. 
Java program to check if two strings are anagrams
• Create a function that takes two strings as input

• Convert both strings to character arrays and sort them

• Check if the sorted arrays are equal to determine if they are anagrams
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Q2. Insert and select query in MySQL
Ans. 
Insert and select data in MySQL using SQL queries
• Use INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...); to insert data

• Use SELECT * FROM table_name; to select all data from a table

• Use SELECT column1, column2 FROM table_name WHERE condition; to select specific data based on a condition
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Q3. Get and Post APIs in rest
Ans. 
GET and POST are HTTP methods used in REST APIs for retrieving and sending data.
• GET method is used to retrieve data from a server

• POST method is used to send data to a server

• GET requests are idempotent, while POST requests are not

• GET requests should only be used for retrieving data, not for modifying data

• Example: GET request to retrieve a list of users - GET /users

• Example: POST request to create a new user - POST /users
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Q1. Basic of language and angular
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Q2. Oops angular mvc
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Q1. About introduction and project
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Q2. Introduce yourself
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Q1. Singleton in java code. multithreading, spring boot questions.
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Q2. SQL queries for finding highest salary
Ans. 
SQL queries to find highest salary
• Use the MAX() function to find the highest salary

• Combine with the SELECT statement to retrieve the corresponding employee details

• Use the ORDER BY clause to sort the results in descending order

• Use the LIMIT clause to limit the number of results returned
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It was an aptitude test

Q1. It was technical test
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Q2. Sort an array with numbers
Ans. 
Use a sorting algorithm like quicksort or mergesort to rearrange the numbers in ascending or descending order.
• Implement a sorting algorithm like quicksort, mergesort, or bubblesort to rearrange the numbers in the array.

• Ensure the algorithm is efficient and handles edge cases like empty arrays or arrays with duplicate numbers.

• Test the sorting function with different arrays to verify its correctness.

• Example: [5, 2, 9, 1,
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Coding Test- Average standard questions

Q1. API related questions
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Q2. Authentication/Authorization questions
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Q1. Performance improvement related questions
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Q2. SQL query given
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Q1. Normal HR discussion
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Q1. What was the challenge you faced in your project
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Q2. What is your expected salary
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Q3. How long would you stay here if you are given an opportunity
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Aptitude test was of moderate level.

One coding question was given.

Q1. DSA questions were asked
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Q2. Javascript questions
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