VVDN Technologies Tool Room Engineer Interview Questions and Answers

Q1. What is html and why do we use it
Ans. 
HTML is a markup language used for creating and structuring web pages.
• HTML stands for HyperText Markup Language

• It is used to create the structure and content of web pages

• HTML uses tags to define elements such as headings, paragraphs, images, links, etc.

• Example: <h1>This is a heading</h1>
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Q2. Html is a markup language
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It was some tricky question

General aptitude questions

Dsa and oops basixs 4 pillars, etc

Q1. String buffer and builder difference
Ans. 
StringBuffer is synchronized and thread-safe; StringBuilder is unsynchronized and faster for single-threaded scenarios.
• StringBuffer is synchronized, making it thread-safe. Example: StringBuffer sb = new StringBuffer();

• StringBuilder is not synchronized, making it faster for single-threaded use. Example: StringBuilder sb = new StringBuilder();

• StringBuffer can be used in multi-threaded environments without additional sync...read more
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Q2. Python oops concept
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Arrays DSA, collections, string, programming skill. This round is easy

Automation subjective and objective questions will be asked

Q1. 1. agile process 2. different testing performing in your company 3)SQL question (group By,max salary)
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Q2. Regression and retesting
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Q1. Framework related qs
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Q1. Program on collection framework
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