TetraSoft Associate Engineer Interview Questions and Answers

Basics analytical questions

Q1. Core java and basics sql
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Q2. Html,CSS, basics questions
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Q1. Tell me about your self
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Q2. Salary discussions
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Basic coding in Java. MySql, HTML.

Adavance coding in Java programming.

Q1. About salary. Location.
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Arrays sort using largest element

Q1. Tell about yourself
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Q1. Basics of spark and hive and kafka
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Q1. Spark scala codinng on screen share along with working explanations of spark and hive
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Q1. What is a stack and implement it
Ans. 
A stack is a linear data structure that follows the Last In First Out (LIFO) principle.
• Elements are added to the top of the stack and removed from the top as well.

• Common operations include push (add element to top) and pop (remove element from top).

• Stacks can be implemented using arrays or linked lists.

• Example: undo/redo functionality in a text editor.

• Example: function call stack in programming languages.
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Q2. What is hashing and does it have key?
Ans. 
Hashing is a process of converting data into a fixed-size output. It has a key that is used to access the data.
• Hashing is used to store and retrieve data quickly.

• It uses a hash function to generate a unique key for each input data.

• The key is used to access the data in constant time.

• Hashing is used in password storage, data indexing, and cryptography.

• Examples of hash functions include MD5, SHA-1, and SHA-256.
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All the aptitude topics were asked

Q1. Asked about java questions and about my projects in resume
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Q1. Basic java,multithreading ,oops
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Q2. Polimorphism, interface, inheritance
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Q1. Spring ,springboot, microserveices
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