Fractal Analytics Full Stack Developer Interview Questions and Answers

Array duplicates and burn binary tree

Q1. Project specific
Add your answer

Core Java , DS and Algo

Q1. LLD Spotify only structure
Add your answer
Q2. Shortest path algorithm
Ans. 
Shortest path algorithm finds the shortest path between two nodes in a graph.
• Dijkstra's algorithm is a popular shortest path algorithm that uses a priority queue to find the shortest path in a weighted graph.

• A* algorithm is another popular shortest path algorithm that uses heuristics to guide the search towards the goal node.

• Bellman-Ford algorithm is used for finding the shortest path in a graph with negative edge weig
Answered by AI
Add your answer

Q1. Reason for the change
Add your answer
Q2. What you bring to the table
Add your answer

Start of The Loop in LinkedList.
Length of Loop in LinkedList

API Contract for Notification sending via SMS and Email

Q1. Explain joins in SQL
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column between them

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• ...read more
Answered by AI
Add your answer
Q2. What are object and class in OOPs?
Ans. 
Objects are instances of classes in OOPs. Classes are blueprints for creating objects with attributes and methods.
• Objects are instances of classes

• Classes are blueprints for creating objects

• Classes define attributes and methods for objects

• Example: Class 'Car' with attributes like 'color' and methods like 'drive'
Answered by AI
Add your answer

Arrays and Pointers code

Q1. Project related questions
Add your answer
Q2. Oops concept html css sql
Add your answer

Q1. Basically all about your personal skills
Add your answer
Q2. Project level knowledge.
Add your answer