Thinksys Software Electrician Interview Questions and Answers

Q1. Oops concepts, core java
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Q2. Java 8 stream api and lambda
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Q1. Sql is the most important , Focus on Joins ,Sub query and Sql basics
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Q2. Joining tables with different joins
Ans. 
Joining tables with different joins in SQL
• Use INNER JOIN to return rows when there is at least one match in both tables

• Use LEFT JOIN to return all rows from the left table and the matched rows from the right table

• Use RIGHT JOIN to return all rows from the right table and the matched rows from the left table

• Use FULL JOIN to return rows when there is a match in one of the tables
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Q1. Question related to oops
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Q2. Question related to coding
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Q3. I was rejected after 2nd round
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Q1. Question related to advanced topic in oops
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Q2. Question related to coding
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Q1. Puzzle , sql related questions
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Q1. DS Algo, Backend and DB
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Q2. Stack(DS) question and DB based questions
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Q3. Scaling (Horizontal, Vertical) with use cases
Ans. 
Scaling refers to increasing capacity of a system. Horizontal scaling adds more machines, while vertical scaling adds more resources to a machine.
• Horizontal scaling involves adding more machines to a system to increase capacity

• Vertical scaling involves adding more resources to a machine to increase capacity

• Use cases for horizontal scaling include handling increased traffic or adding redundancy

• Use cases for vertical sca...read more
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It was ok. I was not able to solve all the questions.

Q1. Remove the last element from a linkedlist
Ans. 
To remove the last element from a linked list, iterate to the second last node and update its next pointer to null.
• Iterate through the linked list to find the second last node

• Update the next pointer of the second last node to null
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Q2. Some basic questions on oops dbms and os
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Q1. Have you worked on ttcn earlier? Mostly related to past projects worked on C storage classes and questions on pointers snips Linked list to find the middle number
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Q2. Asked about my work if i clear
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Q1. Mostly ttcn questions but i dont have knowledge on this
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Q2. Ttcn development testscripts, gui implementatio
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