Samosys Technologies Software Developer Interview Questions and Answers

Q1. Difference between linked list and array list
Ans. 
Linked list is a data structure where elements are stored in nodes with pointers to the next node. Array list is a dynamic array that can grow or shrink in size.
• Linked list allows for efficient insertion and deletion of elements anywhere in the list.

• Array list provides fast access to elements using index, but slower insertion and deletion compared to linked list.

• Example: Linked list - 1 -> 2 -> 3 -> 4 -> 5, Array list
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Q2. Difference between @controller and @ Rest controller
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The @Controller annotation is used for traditional MVC controllers, while @RestController is used for RESTful web services.
• The @Controller annotation is used to define a class as a Spring MVC controller, which can handle HTTP requests and return a view.

• The @RestController annotation is used to define a class as a controller for RESTful web services, which can handle HTTP requests and return data in JSON or XML format.

• T...read more
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Q1. String reverse
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Q2. Dsa linked lists
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Q3. Linked lists reverse
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Q4. Map unique elements
Ans. 
Map unique elements in an array of strings
• Create a map to store unique elements

• Iterate through the array and add each element to the map as a key

• Retrieve the keys of the map to get the unique elements
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Q5. Sets find elements in set
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Sets are data structures that store unique elements and can be used to efficiently find elements in the set.
• Sets do not allow duplicate elements, so each element in a set is unique.

• To find elements in a set, you can use the 'has' method to check if a specific element is present in the set.

• Sets are commonly used in programming for tasks like removing duplicates from a list or checking for the presence of specific elemen
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Q1. WRITE A java program to find the shortest distance between 2 nodes in an array
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Java program to find shortest distance between 2 nodes in an array of strings
• Create a method that takes in the array of strings and the two nodes as parameters

• Use a map to store the index of each node in the array

• Calculate the distance between the two nodes using their indices in the array
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Q2. Explain oops concept
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OOPs concept is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOPs stands for Object-Oriented Programming

• Key concepts include classes, objects, inheritance, polymorphism, and encapsulation

• Classes are blueprints for creating objects, which are instances of classes

• Inheritance allows a class to inherit properties and behavior from an...read more
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Q1. Salary discussion
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Q2. Location process
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Q1. SOLID principles
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Q2. Microservice Architecture and Kafka
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There are some general programming questions as well as the reasoning problems in the first round they are likely to be easier.

Q1. Derive this problem statement
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Q2. How do you approach this problem
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Q3. Tell me more about the project in your resume
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Q1. Application level questions
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Q2. Role related questions
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Q1. Tell me about yourself
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Q2. Tell me about your family
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Q3. Tell me about your hobbies apart from technical things
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I was asked with writing the code and algorithms. Also lots of MySQL queries

First Round was Aptitude and coding both together. Logical Reasoning, Blood Relations. In coding part there were 3 questions of easy level . Topics were array , string.

Q1. In Interview, They ask questions related to the subjects like OS, DBMS, CN and the basic concept knowledge of student is checked. They ask 1 question to code and level is easy-medium level. You have to tel...read more
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Q2. Input- aabbbc Output-a2b3c1 This code was asked.
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Q1. Introduction, family background, behaviour questions
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