Valtech Interview Questions, Process, and Tips

First round was aptitude round.

Q1. Second round was technical interview
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Q2. Mostly computer fundamentals and DSA questions were asked.
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Q1. What are the differences between B2B and B2C?
Ans. 
B2B focuses on selling products or services to other businesses, while B2C focuses on selling products or services to individual consumers.
• B2B transactions typically involve larger order sizes and longer sales cycles compared to B2C.

• B2B marketing often targets a specific niche audience or industry, while B2C marketing targets a broader consumer base.

• B2B relationships are usually more formal and based on long-term partn...read more
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Q2. What is exception propogation?
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Exception propagation is the process of passing an exception up the call stack until it is caught and handled.
• Exceptions are thrown when an error occurs in a program.

• If an exception is not caught and handled in a method, it is propagated to the calling method.

• This continues until the exception is caught and handled or reaches the top of the call stack.
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Q3. What are the latest features of Java 17?
Ans. 
Java 17 introduces new features like sealed classes, pattern matching for switch statements, and more.
• Sealed classes restrict which classes can be subclasses, enhancing encapsulation and maintainability.

• Pattern matching for switch statements simplifies code by allowing patterns in case labels.

• New APIs like JEP 356: Enhanced Pseudo-Random Number Generators provide improved security and performance.

• JEP 382: New macOS Ren...read more
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Q1. Scenario specific Java Streams
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Q2. Sentence reverse word by word program
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Program to reverse a sentence word by word
• Split the sentence into an array of words

• Iterate through the array in reverse order and append each word to a new string
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Problem solving question

Q1. Tell me about experience
Ans. 
I have over 5 years of experience in software testing, specializing in manual and automated testing.
• Experience in creating test plans, test cases, and test scripts

• Proficient in using testing tools such as Selenium, JIRA, and HP Quality Center

• Strong knowledge of Agile and Waterfall methodologies

• Experience in regression testing, performance testing, and user acceptance testing

• Worked on various projects in industries like
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Q2. Define the processes of ECommerce
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ECommerce processes involve online transactions, order processing, payment gateways, and customer support.
• Online transactions: Customers browse products, add to cart, and checkout online.

• Order processing: Once an order is placed, it is processed, packed, and shipped.

• Payment gateways: Secure online payment methods are used for transactions.

• Customer support: Providing assistance to customers regarding orders, returns, an
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