FabHotels QA Automation Engineer Interview Questions and Answers

There is a question based on Rest API and another question on Java

Implement an iterator to flatten 2D vector

Q1. Find shortest path to get all keys
Ans. 
Use Dijkstra's algorithm to find the shortest path to get all keys
• Implement Dijkstra's algorithm to find the shortest path in a graph

• Consider the keys as nodes in the graph and the paths between keys as edges

• Keep track of the keys collected and update the shortest path accordingly
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Q1. Data Structures and Theoretical Java and SQL concepts like - views, indexes, DML
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Programs on Sorting and Search Algorithms and Core Java

Q1. What are the types of data.
Ans. 
Types of data include numerical, categorical, ordinal, and binary.
• Numerical data includes continuous and discrete values, such as height and age.

• Categorical data includes non-numeric values, such as colors and types of fruit.

• Ordinal data includes values with a specific order, such as rankings and ratings.

• Binary data includes only two possible values, such as true/false and yes/no.
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Q1. Core : DBMS , oops in depth coding: basic DSA questions based on Arrays, String.
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Q1. He asked me graph questions ( medium level ) based on a node to root, and min cost to target. note: if you really want to crack the yata.com interview practice graph question and they ask a leetcode questi...read more
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General reasoning and Mathmatics Aptitude

Q1. Core Java and Coding questions
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Linked list, tree, queues

Q1. Merge linked list
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Q2. Minimum jump question
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Q3. Coin switch problem
Ans. 
Coin switch problem involves determining the minimum number of coin flips to make all coins face the same direction.
• Start from one end and count the number of flips needed to make all coins face the same direction

• Consider the edge cases where the first and last coins are different

• Optimize by flipping only when necessary
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Q1. Salary discussion
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