Innofied Solution Software Developer Interview Questions and Answers

It is easy to solve the Aptitude question and some identifying outputs of program.

Q1. What is class?and write a logic for object in a class.
Ans. 
A class is a blueprint for creating objects in object-oriented programming.
• A class defines the properties and behaviors of objects.

• An object is an instance of a class.

• Example: Class 'Car' can have properties like 'color' and 'model', and behaviors like 'drive' and 'stop'.
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Q2. 1.swap two numbers without using temp variable 2.Reverse the string.
Ans. 
Swap two numbers without using temp variable and reverse a string without using built-in functions.
• To swap two numbers without using temp variable, use bitwise XOR operation.

• To reverse a string without using built-in functions, use two pointers approach.

• Example for swapping numbers: a = a ^ b; b = a ^ b; a = a ^ b;

• Example for reversing a string: use two pointers to swap characters from start and end of the string.
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Now, I am preparing for the third round.
So, I don't know the Coding Question.

Q1. Explain process for SDE
Ans. 
The process for Software Development Engineer involves planning, designing, coding, testing, and deploying software solutions.
• Gather requirements from stakeholders

• Create a design based on requirements

• Write code to implement the design

• Test the software for bugs and issues

• Deploy the software for users to use

• Iterate on feedback and make improvements
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Q1. Tell me about your current project
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CRUD application of Employee Management

Online test which consists of java, angular, micro services related questions

Q1. Difference between static and default methods
Ans. 
Static methods belong to the class itself, while default methods are part of an interface in Java.
• Static methods can be called without creating an instance of the class, while default methods are used to provide a default implementation in interfaces.

• Static methods are defined using the 'static' keyword, while default methods are defined using the 'default' keyword in Java.

• Static methods cannot be overridden in subclas...read more
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Q1. Coding Related Queries Past Project related queries Pasr experience related queries
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Coding related queries

Q1. Tell me about yourself
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Round duration - 90 minutes
Round difficulty - Medium

Coding Round:
Questions -3
Time- 90 min
Topic- DP, Array, String

Q1. Left Rotations of An Array
You are given an array consisting of 'N' elements and you need to perform 'Q' queries on the given array. Each query consists of an integer which tells the number...read more
Ans. Rotate One Element At A Time
The idea is to create a function which would rotate the array one element at a time. This can be done by shifting the array towards left by one element and copying the first element to the end of the array. For every query repeatedly call the above function, until the desired rotation is obtained.
 
If the number of rotations required, say ‘K’, is greater than the number of elements, ‘N’,...read more
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Q2. Ways To Make Coin Change
You are given an infinite supply of coins of each of denominations D = {D0, D1, D2, D3, ...... Dn-1}. You need to figure out the total number of ways W, in which you can make a cha...read more
Ans. Recursion
 
1. The idea is to use recursion.
2. For a particular coin, we have two options either include it or exclude it.
3. If we include that coin, then calculate the remaining number that we have to generate so recur for that remaining number.
4. If we exclude that coin, then recur for the same amount that we have to make.
5. Our final answer would be the total number of ways either by including or excluding.
6. There will be two edg...read more
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Q3. String Transformation
Given a string (STR) of length N, you have to create a new string by performing the following operation:
Take the smallest character from the first 'K' characters of STR, re...read more
Ans. Brute Force Approach
• Create a new “answer” string that will contain the modified string
• While the input string's length is greater than 0
  • Find the minimum character in the first K characters of the string (or the entire string if its length is less than K)
  • Append that character to the “answer” string
  • Remove that character from the input string
• Return the “answer” string
Space Complexity: O(1)Explanation:
O(1)
 
Since we ar...read more
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Q1. 1. Ask all questions related laravel
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Q2. 1. Ask questions related database mysql
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