Zessta Software Services Software Developer Interview Questions and Answers

Aptitude, core concepts and a code

Q1. What is the one thing you learnt from college club?
Ans. 
I learned the importance of teamwork and collaboration from my college club.
• Developed strong communication skills by working with diverse group of individuals

• Learned how to delegate tasks effectively to achieve common goals

• Gained experience in problem-solving and conflict resolution through group projects
Answered by AI
Add your answer
Q2. What is the one thing you want to expereince?
Ans. 
I want to experience living in a different country and immersing myself in a new culture.
• Traveling to a foreign country and learning about their customs and traditions

• Trying new foods and experiencing different ways of life

• Making friends with locals and exploring the local attractions
Answered by AI
Add your answer

Q1. Difference between relational and non relational dbms
Ans. 
Relational DBMS stores data in tables with predefined relationships, while non-relational DBMS stores data in flexible, schema-less formats.
• Relational DBMS uses structured query language (SQL) for querying data

• Non-relational DBMS can store data in various formats like key-value pairs, document-based, graph databases

• Relational DBMS ensures data integrity through normalization and constraints

• Non-relational DBMS offers be...read more
Answered by AI
Add your answer
Q2. Difference betweeen class,abstract class,interface in python
Ans. 
Class is a blueprint for creating objects, abstract class cannot be instantiated and can have abstract methods, interface is a contract for classes to implement certain methods.
• Class is a blueprint for creating objects with attributes and methods.

• Abstract class cannot be instantiated and can have abstract methods that must be implemented by subclasses.

• Interface is a contract for classes to implement certain methods, bu
Answered by AI
Add your answer
Q3. Project related questions were asked
Add your answer

Basic C# coding Questions

Q1. Questions related to Angular
Add your answer
Q2. Question related to ASP.NET CORE
Add your answer

Q1. Given strings and asked to write down the first non-repeatable string
Add your answer
Q2. Palindrome program in java
Ans. 
A palindrome program in Java checks if a given string reads the same forwards and backwards.
• Create a function that takes a string input

• Use a loop to compare characters from both ends of the string

• Return true if the string is a palindrome, false otherwise
Answered by AI
Add your answer
Q3. Diamond problem in java
Ans. 
Diamond problem in Java occurs when a class inherits from two classes that have a common ancestor, resulting in ambiguity.
• Diamond problem arises in multiple inheritance scenarios in Java.

• It occurs when a class inherits from two classes that have a common ancestor.

• To resolve the diamond problem, Java does not support multiple inheritance through classes, but it can be achieved using interfaces.

• Example: Class A and Class...read more
Answered by AI
Add your answer
Q4. Given a list of numbers and insisted to get the sum of numbers which gives 6
Ans. 
Iterate through the list and find pairs of numbers that sum up to 6
• Iterate through the list and check if the current number + any other number in the list equals 6

• Store the pairs of numbers that sum up to 6 in a separate list

• Return the list of pairs
Answered by AI
Add your answer

Q1. Java based questions
Add your answer

Q1. Every single oops concepts
Add your answer
Q2. Every sql questions possiible
Add your answer

Q1. I attended only technical not yet results announced
Add your answer
Q2. I attended only technical not yet result announced
Add your answer

SQL , CODING QUESTION PYTHON

Q1. BASIC SQL QUESTIOS
Add your answer
Q2. OOPS 4 PILLARS INHERITANCE ETC
Add your answer

Q1. TELL ME ABOUT YOURSELF
Add your answer
Q2. WHAT DO YOU KNOW ABOUT YOUR COMPANY
Add your answer

It was an online assessment containing 3 DSA questions

Q1. Medium level array questions
Add your answer
Q2. Medium level DP questions
Add your answer

Q1. General behavioural question about
Add your answer

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
Answered by AI
Add your answer
Q2. Difference between @controller and @ Rest controller
Ans. 
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
Answered by AI
Add your answer

Q1. String reverse
Add your answer
Q2. Dsa linked lists
Add your answer
Q3. Linked lists reverse
Add your answer
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
Answered by AI
Add your answer
Q5. Sets find elements in set
Ans. 
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
Answered by AI
Add your answer