Automatic Data Processing (ADP) Associate Software Developer Interview Questions and Answers

Basic one along with os, dbms fundamentals

One question can be solved using dp

Q1. Identify the longest palindromic substring
Ans. 
A palindromic substring is a string that reads the same forwards and backwards.
• Use dynamic programming to find the longest palindromic substring.

• Start by considering each character as the center of a potential palindrome.

• Expand outwards from each center to check for palindromic property.

• Keep track of the longest palindromic substring found so far.

• Example: Input 'babad', Output 'bab' or 'aba'.
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Q2. Questions based on resume/projects
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It was an aptitude test, comprising of Quantative questions, Logical Reasoning and basic Verbal Ability.

The test asked 2 programming questions on any of the languages that we were comfortable in.

Q1. How will you print all the Armstrong numbers between 10 to 250
Ans. 
Armstrong numbers are numbers that are equal to the sum of their own digits raised to the power of the number of digits.
• Iterate through numbers from 10 to 250

• Calculate the sum of each digit raised to the power of the number of digits

• Check if the sum is equal to the original number, if yes, it is an Armstrong number
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Q2. How will you implement Method overrriding and overloading in C++
Ans. 
Method overriding is achieved by creating a function in a derived class with the same signature as a function in the base class. Method overloading is achieved by creating multiple functions with the same name but different parameters.
• Method overriding: Create a function in a derived class with the same name and signature as a function in the base class. Example: virtual void display() in base class and void display() ...read more
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It is combined with both apti and coding

6 questions were given and atleast 3 want to be solved

Q1. Self introduction and technical and project
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2 coding questions are given

Q1. Resume based questions are asked
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Q1. Walk me through your resume.
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Q2. I had done some NGO work. They asked me about my work and experience there.
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Q3. They asked some questions from SQL too. How many types of joins are there in MySql and write down two queries demonstrating each join.
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