Amdocs Interview Questions, Process, and Tips for Freshers

Round duration - 120 minutes
Round difficulty - Medium

1. There was a aptitude , technical and coding test which consist of 20 questions of aptitude , 15 questions of reasoning , 20 question of Java/SQL/Unix and 1 of coding question which are quite easy.
2. Timing for online first round exam is sufficient.

Q1. 
First Unique Character in a Stream Problem Statement
Given a string A consisting of lowercase English letters, determine the first non-repeating character at each point in the stream of characters.
Examp...read more
Ans. 
Given a string of lowercase English letters, find the first non-repeating character at each point in the stream.
• Create a hashmap to store the frequency of each character as it appears in the stream.

• Iterate through the stream and check the frequency of each character to find the first non-repeating character.

• Output the first non-repeating character at each point in the stream.
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Round duration - 40 minutes
Round difficulty - Medium

1. Tell me about yourself (Mention your project or training )
2. What is primary key?
3. Difference between delete and truncate.
4. What is normalization?
5. What is Abstract class (Java)?
6. Explain collection in Java.
7. Differentiate between overloading and overriding
8. Explain about your project
9. Puzzle question
10. Real life example of Linked list.(Train)

Round duration - 10 minutes
Round difficulty - Easy

1. Tell me something not there in your resume.
2. Why do you want tp work at amdocs?
3. Do you work well under pressure?
4. Will you relocate in the future?
5. Do you have any question for us?

It was through amcat

Q1. Describe inheritance in java.
Ans. 
Inheritance in Java allows a class to inherit properties and behaviors from another class.
• Allows a class to reuse code from another class

• Creates a parent-child relationship between classes

• Child class inherits fields and methods from parent class

• Can have multiple levels of inheritance

• Example: class Dog extends Animal
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Q1. How are you doing
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Round duration - 120 Minutes
Round difficulty - Medium

The test included MCQ questions from SQL, Linux Commands, C/C++ programming, Logical Reasoning, Aptitude questions.
The other section was the coding round, where 2 SQL queries and 2 coding questions were there.
The environment was pretty good. No technical issues were there

Q1. 
Minimum Umbrellas Problem
You are provided with ‘N’ types of umbrellas, where each umbrella type can shelter a certain number of people. Given an array UMBRELLA that indicates the number of people each um...read more
Ans. 
The problem involves determining the minimum number of umbrellas required to shelter a specific number of people based on the capacity of each umbrella.
• Iterate through the array of umbrella capacities to find the combination that covers exactly 'M' people.

• Keep track of the minimum number of umbrellas used to cover 'M' people.

• If it is not possible to cover 'M' people exactly, return -1.

• Example: For input [2, 3, 4] and M...read more
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Q2. 
Subarray with Equal Occurrences Problem Statement
Given an array ARR consisting of 0s and 1s only, your task is to determine the number of non-empty subarrays where the number of 0s and 1s are equal.
Inp...read more
Ans. 
Count the number of subarrays where the number of 0s and 1s are equal in a given array of 0s and 1s.
• Iterate through the array and keep track of the count of 0s and 1s encountered so far.

• Use a hashmap to store the count of 0s and 1s encountered at each index.

• For each index, check if the count of 0s and 1s encountered so far are equal. If yes, increment the result count.

• Return the final count of subarrays where the numbe
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Round duration - 60 Minutes
Round difficulty - Medium

The technical round was totally based on resume submitted by us during registration. They asked in depth questions related to the technical internship done by me in past. The discussion related to the technical internship went for 20 minutes. They saw the working of my project deployed on Heroku platform and done a good discussion on that too. Then they give me a coding question based on recursion and I was supposed to write the code on Hirepro platform itself. I was asked 3 puzzles also in order to check my problem solving. The interviewers were friendly and they provide a friendly environment during the interview.

Q1. 
Reverse Stack with Recursion
Reverse a given stack of integers using recursion. You must accomplish this without utilizing extra space beyond the internal stack space used by recursion. Additionally, you ...read more
Ans. 
Reverse a given stack of integers using recursion without using extra space or loops.
• Use recursion to pop all elements from the original stack and store them in function call stack

• Once the stack is empty, push the elements back in reverse order using recursion

• Use the top(), pop(), and push() methods to manipulate the stack
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It Includes Logically, quantitative, english, programming questions, 2 coding questions for that we need to write code from scratch

Q1. 1. Introduce yourself 2. Tell me about your college project 3. Tell 10 commands of Unix and their uses 4. They About sql queries 5. Write down the code for palindrome number
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Q1. 1. Introduce yourself 2. Give short info about the amdocs 3. Are you willing to do work in shifts
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