ValueLabs Sdet Automation Test Engineer Interview Questions and Answers

Basic apti ques grammer and all

Q1. Java, spring, html
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Q1. What is your expected salary?
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3 hour test aptitue test

C aptitude questions and problem solving solution.. Coding test 2 hour

Q1. Technical interview 1 hr
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Q1. Basic fundamentals were asked for each cs subject
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Q2. What is cloud and api Some basic codes were also there
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Q1. There are three rounds. 1) technical discussion 2) Managerial Round 3) Client round questions level started from basic and it went into advance level
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Q2. 1)some basic questions on selenium and some scenario questions 2) some basic questions on python
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Q1. Array sorting for a given input.
Ans. 
Array sorting for a given input involves arranging elements in a specific order.
• Use built-in sorting functions like sort() in programming languages such as Java, Python, or JavaScript.

• Consider the sorting algorithm complexity for large arrays.

• Ensure the sorting is done based on the specific requirements like alphabetical order or numerical order.
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Q2. Rotation of array to right by 2 position
Ans. 
Rotate array to right by 2 positions
• Create a new array with the same length as the original array

• Copy elements from original array starting from index (length - 2) to the new array

• Copy elements from original array starting from index 0 to (length - 3) to the new array

• Return the new array as the rotated array
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Q1. Ask about java streams and lambda function?
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Q2. Questions from scenario based testing
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Round duration - 45 minutes
Round difficulty - Medium

Technical Interview round that lasted for about 45 minutes. Questions were based on Java, Java design Patterns and OOPS Concepts.

Q1. Java Question
What are static methods in Interfaces?
Ans. 
Static methods are useful for designing utility methods since they contain method implementation that is owned by the interface and invoked using the interface name. They cannot be overridden.
Answered by CodingNinjas
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Q2. Java Question
Why was a new version of Java (Java 8) needed in the first place? (
Ans. 
There are two primary reasons for this:
1. Due to significant developments in hardware, Java now needs to make better use of multi-core CPUs.
2. Make new Functional Programming (FP) features available to users.
Answered by CodingNinjas
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Q3. Java Question
What is a default method, and when does it get used?
Ans. 
The default method is found in the interface and involves an implementation. The technique extends an interface's functionality while maintaining backward compatibility with existing classes that implement the interface.
Answered by CodingNinjas
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Q4. Java Question
Describe in how many ways can you create a singleton pattern?
Ans. 
There are two ways of creating a Singleton pattern.
1. Early Instantiation : It is responsible for the creation of instance at load time.
2. Lazy Instantiation : It is responsible for the creation of instance when required.
Answered by CodingNinjas
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Round duration - 60 minutes
Round difficulty - Medium

Technical Interview round that lasted for about 45 minutes. Questions were based on Spring boot and Microservices Concepts.

Q1. Java Question
Difference between Bridge Pattern and Adapter Button
Ans. 
The motive of the Adapter pattern is to make interfaces of one or more classes to look similar. The Bridge pattern is designed to isolate a class's interface from its implementation so we can vary or substitute the implementation without changing the client code.
Answered by CodingNinjas
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Q2. SpringBoot Question
What is the difference between @RestController and @Controller in Spring Boot?
Ans. 
@Controller Map of the model object to view or template and make it human readable but @RestController simply returns the object and object data is directly written in HTTP response as JSON or XML.
Answered by CodingNinjas
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Q3. Technical Question
Difference between Spring and Spring Boot
Ans. 
1. Spring framework is a java EE framework that is used to build applications. Spring Boot framework is mainly used to develop REST API’s
2. The primary feature of the Spring framework is dependency injection. The main feature of the Spring Boot is Autoconfiguration. 
3. The goal pf Spring is to make Java EE (Enterprise Edition) development easier, allowing developers to be more productive. Spring Boot provides the ...read more
Answered by CodingNinjas
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Q4. Technical Question
Difference between Monolithic and Microservices Architecture
Ans. 
Monolithic Architecture: It is "like a big container" where all the software components of an application are bundled together tightly. It is usually built as one large system and is one code-base. 
Microservice Architecture: It involves structuring an application in the form of a cluster of small, autonomous services modeled around a business domain. The functional modules can be deployed independently, are scalab...read more
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Round duration - 30 minutes
Round difficulty - Easy

This was a typical HR round with some standard Behavioral questions

Q1. Basic HR Question
Why should we hire you ?
Ans. 
Tip 1 : The cross questioning can go intense some time, think before you speak.
Tip 2 : Be open minded and answer whatever you are thinking, in these rounds I feel it is important to have opinion.
Tip 3 : Context of questions can be switched, pay attention to the details. It is okay to ask questions in these round, like what are the projects currently the company is investing, which team you are mentoring. How all is the...read more
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2 codes and some technical MCQs

Q1. Write program of Pascal Tree
Ans. 
Pascal Tree is a binary tree where each node represents a row of Pascal's Triangle.
• Create a binary tree with root node as 1

• For each level, create left child as previous level's value and right child as previous level's value + parent value

• Repeat until desired number of levels is reached
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Q2. Python language questions
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Q1. Tell me about yourself, relocation and other general HR round questions
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