Erevmax Technologies Associate Executive Interview Questions and Answers

Basic Aptitude test and personality test, It's easy

Q1. Code to print diagonal elements in 2d array. Reverse a string without using other empty string.
Ans. 
Print diagonal elements in a 2D array and reverse a string without using an empty string.
• Iterate through the rows and columns of the 2D array and print the elements where the row index is equal to the column index.

• Iterate through the characters of the string from the last index to the first index and append each character to a new string.
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Dsa question like pattern or any other basic dsa

Q1. Based on js in depth knowledge
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Q2. Then react better if we know class components
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Q1. Questions related to experience
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Q2. What is modifier?
Ans. 
A modifier is a word, phrase, or clause that provides additional information about another word in a sentence.
• Modifiers can be adjectives, adverbs, or phrases that describe or give more information about nouns or verbs.

• Example: 'The quick brown fox' - 'quick' and 'brown' are modifiers describing the fox.

• Misplaced modifiers can cause confusion in a sentence.

• Example: 'I only ate pizza' - Does this mean the person only at
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Q3. Questions related to AMD software
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It was Easy to moderate. Questions were not that tough. Just basic aptitude

Q1. What is docker command to list the containers?
Ans. 
The docker command to list the containers is 'docker ps'.
• The 'docker ps' command lists all the running containers.

• To list all the containers (including the stopped ones), use 'docker ps -a'.

• To display the container IDs in a short format, use 'docker ps -q'.

• To display the container names instead of IDs, use 'docker ps --format '{{.Names}}'.'
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Q2. Which command is use to grab the text or work in linux?
Ans. 
The command used to grab text or work in Linux is 'grep'.
• Grep stands for 'global regular expression print'.

• It is used to search for a specific pattern or text in a file or output.

• It can be used with various options to refine the search.

• Example: 'grep hello file.txt' will search for the word 'hello' in the file 'file.txt'.
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Q1. Introduce about yourself
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Q2. Logical questions and about project
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Q3. About their company and their products
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General Aptitude and logical reasoning

About programming and basic programs with advanced program

Q1. Salary expectations and about location and staying
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Q2. About work from home and work from office
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Numeric ability test, Verbal ability test, Reasoning ability test.

To clear coding test, just need to solve 1 question out of 5, difficulty level of question - most of the time appear as (3 easy 2 medium) .

Q1. Question will be asked 100% from your resume. whatever skills or academic knowledge you added in your resume.
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Q2. Tell me something about yourself?
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Q3. Implement LinkedList Data Structure ?
Ans. 
A LinkedList is a linear data structure where each element is a separate object with a reference to the next element.
• Create a Node class with data and next pointer

• Initialize LinkedList with a head node pointing to null

• Implement methods like insert, delete, search, and traverse

• Example: Node class {int data; Node next;}

• Example: Insert method to add a new node at the end of the list
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Q4. Write down any sorting algorithm?
Ans. 
Bubble Sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.
• Compare adjacent elements and swap if necessary

• Repeat until no swaps are needed

• Time complexity: O(n^2)

• Space complexity: O(1)

• Example: [5, 3, 8, 2, 1] -> [3, 5, 2, 1, 8] -> [3, 2, 1, 5, 8] -> [2, 1, 3, 5, 8] -> [1, 2, 3, 5, 8]
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Q5. Write SQL queries for 2nd maximum salary from employee table
Ans. 
SQL query to find 2nd maximum salary from employee table
• Use ORDER BY and LIMIT to get the second highest salary

• SELECT salary FROM employee ORDER BY salary DESC LIMIT 1, 1
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Q1. Rcm related questions from
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Q1. Rcm related questions from
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Medium level stars pattern for programming

Q1. What is servlets
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Q2. What are the steps in JDBC
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