HATCH Full Stack Developer Interview Questions and Answers

This includes data interpretation,games,paragraph based question in verbal ability and the time is 30 mins

Q1. What is linked list
Ans. 
A linked list is a data structure where each element points to the next element in the sequence.
• Consists of nodes connected by pointers

• Can be singly linked (each node points to the next) or doubly linked (each node points to the next and previous)

• Allows for dynamic size and efficient insertion/deletion operations
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Q2. Project related
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Q1. Given some problem statemts and asked to write the pseudo code,
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Q2. What is Async and Await.
Ans. 
Async and Await are keywords in JavaScript used to handle asynchronous operations in a synchronous manner.
• Async is used to define a function as asynchronous, allowing it to run in the background without blocking the main thread.

• Await is used to pause the execution of an async function until a Promise is settled, and then resumes the function with the resolved value.

• Async functions always return a Promise, which allows ...read more
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Q1. Java basics , oops concept
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Q1. Database sql, pl sql, aws
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Q1. About company policy
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Q1. About my tech experience and some technical questions from my tech stack
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Q2. What is the toughest project that you have worked so far
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Q1. Explain the differences between SQL joins (Inner, Left, Right and Full join)
Ans. 
SQL joins (Inner, Left, Right, Full) are used to combine rows from two or more tables based on a related column between them.
• 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.

• Right join: Returns all rows from the right table and the matched rows from the left table.

• Full join: Returns rows when there is a mat
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My gd topic was Big data

Q1. Introduction, resume-based
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Q2. Projects and intenship
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Q3. Also study the core subjects like os
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Q1. Questions from resume and project
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