Random Trees Sdet Engineer Interview Questions and Answers

There were questions from medium to hard level

Q1. Questions related to SQL basic programming and DSA were asked
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Q1. It was basically a personality test round
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Q1. Whatis javascript
Ans. 
JavaScript is a programming language commonly used for creating interactive websites.
• JavaScript is a high-level, interpreted programming language.

• It is used to make web pages interactive and dynamic.

• JavaScript can be used for client-side and server-side development.

• Commonly used frameworks/libraries include React, Angular, and Node.js.
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Q2. Whatis automation
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Graph, DP, array, Stack

Q1. Implementation of OOPS, Project, C++, To write the SQL query, Puzzle, real life questions, string question
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15 mcq of cs fundamentals 2 coding questions
it was 1 hour round

Q1. Mostly dsa questions were asked you can reffer leetcode
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Q2. Leetcode easy-medium questions were asked
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2 coding questions, and other quantitative, logical and verbal

A group of 7 and topic was "local for vocal"

Q1. Medium level questions
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Q1. Good DS algos questions metrix
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Q1. System understanding, server client
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Moderate level coding question

Q1. Ques on java appium framework ci / cd
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Coding test consisting of MCQs and a couple of coding questions based on data structures.

Q1. Thorough examination of advanced Java concepts
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Q2. Synchronized vs ReentrantLock
Ans. 
Synchronized and ReentrantLock are both used for thread synchronization in Java.
• Synchronized is a keyword in Java and is used to lock an object for exclusive use by a single thread.

• ReentrantLock is a class in Java and provides more advanced features than Synchronized, such as fairness and interruptibility.

• Synchronized is easier to use and requires less code, but ReentrantLock provides more control and flexibility.

• Synch...read more
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Q3. Checked vs unchecked exceptions
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Checked exceptions are checked at compile-time while unchecked exceptions are not.
• Checked exceptions are declared in the method signature or caught in a try-catch block

• Unchecked exceptions are not declared in the method signature and can occur at runtime

• Examples of checked exceptions include IOException and ClassNotFoundException

• Examples of unchecked exceptions include NullPointerException and ArrayIndexOutOfBoundsExce
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