Tejas Networks Software Developer Interview Questions and Answers

There were 3 sections. 1st was aptitute 10 questions and 2nd section was technical 10 questions then 3rd section had 3 coding questions which were of easy level.

Q1. Questions related to OS and CN and Core java were asked.
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Q2. A coding question was also asked to to find the second largest number.
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Q1. Find a duplicate in a String OOPs concept Java 8 features
Ans. 
The question is about finding a duplicate in a string.
• Convert the string into an array of characters

• Create a HashSet to store unique characters

• Iterate through the array and check if each character is already present in the HashSet

• If a character is already present, it is a duplicate
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Q1. Java OOPs concept Comparator vs Comparable Streams Lambda Expression
Ans. 
Comparator vs Comparable, Streams, Lambda Expression
• Comparator and Comparable are interfaces used for sorting objects in Java

• Comparator is used for custom sorting logic, while Comparable is used for natural sorting order

• Streams are a sequence of elements that can be processed in parallel or sequentially

• Lambda expressions are used to write concise and functional code in Java
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Q1. System Desing of Network Management System
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A network management system is designed to monitor and control network devices and ensure their efficient operation.
• The system should have a centralized dashboard to display real-time network status and performance metrics.

• It should support automated network discovery and device configuration management.

• The system should provide alerts and notifications for network events and failures.

• It should have the ability to gene...read more
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Q1. Background why Tejas Salary Discussion
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Level of difficult is medium

Focused more on arrays