Granite River Labs Softwaretest Engineer Interview Questions and Answers

Q1. Self Introduction
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Q1. Nothing much it went well as usual they try go ask for negotiable salary
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Q2. What is the reason
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The reason for what?
• Need more context to provide a specific reason

• Could be related to a specific action, decision, outcome, etc.

• Can you provide more details or clarify the question?
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Q3. What is the issue
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Q4. What is draw back
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A drawback is a disadvantage or limitation of a particular situation or course of action.
• Drawbacks can hinder progress or success in a project or task.

• They can be caused by limitations in resources, technology, or skills.

• Examples include lack of funding, outdated software, or inadequate training.

• Identifying drawbacks early on can help mitigate their impact on a project.
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Q5. What is fast forward
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Fast forward is a feature that allows users to skip ahead in a video or audio file to a specific point.
• Fast forward allows users to quickly move forward in a video or audio file.

• Users can skip scenes or sections they are not interested in by using the fast forward feature.

• Commonly seen in media players, streaming services, and DVRs.

• Example: Pressing the fast forward button on a remote control to skip ahead in a movie.
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Q1. What is Sql?, and performance tuneing
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SQL is a domain-specific language used for managing and manipulating relational databases.
• SQL stands for Structured Query Language

• It is used to communicate with databases to perform tasks such as querying data, updating data, and creating databases

• Performance tuning in SQL involves optimizing queries, indexes, and database design to improve speed and efficiency

• Examples of performance tuning techniques include using ind...read more
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Q2. About power bi dax filter and dashboard
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Q1. About your technical skills
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Q2. About your previous work profile
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Round one was an online coding test where there were 5 sections :

1 - dsa - medium

2 - Java - Easy

3 - OOP - Easy

4 - Git - Easy

Q1. 1 - where is bean annotation used in springboot ?... In class or method
Ans. 
Bean annotation is used in Spring Boot on class or method to indicate that a method produces a bean to be managed by the Spring container.
• Bean annotation is used on methods within a class to indicate that the method produces a bean to be managed by the Spring container.

• It can also be used at the class level to indicate that the class itself is a Spring bean.

• For example, @Bean annotation can be used on a method that cre...read more
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Q2. Which access modifier to restrict interface method access to only derived or implemented classes
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Protected access modifier restricts interface method access to only derived or implemented classes.
• Use 'protected' access modifier to restrict access to only derived or implemented classes

• Protected members are accessible within the same package or by subclasses

• Example: 'protected void methodName() {}' in an interface
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Q3. How does one services interact with other in microservice
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Microservices interact with each other through APIs, messaging, or events.
• Microservices communicate with each other through APIs, which can be synchronous or asynchronous.

• Messaging systems like RabbitMQ or Kafka can be used for communication between microservices.

• Events can be used for loosely coupled communication between microservices.

• Service discovery mechanisms like Eureka or Consul help microservices locate and co...read more
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Q4. In an integer array where element represent stock price and index represent days how to detect the best day to buy and best day to sell in O(N)
Ans. 
To detect the best day to buy and sell stock in an integer array representing stock prices and days in O(N).
• Iterate through the array and keep track of the minimum price seen so far.

• Calculate the profit by subtracting the current price from the minimum price.

• Update the maximum profit and best buy/sell days accordingly.

• Return the best buy and sell days to maximize profit.
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Q5. In an integer array find the next greatest number for all and display in O(N)
Ans. 
Find the next greatest number for each integer in an array in O(N) time complexity.
• Iterate through the array from right to left

• Use a stack to keep track of potential next greatest numbers

• Pop elements from the stack that are less than the current element and update their next greatest number to the current element

• Push the current element onto the stack

• Repeat until all elements have a next greatest number
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Q1. What is difference between function and stored procedure
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Functions return a single value, while stored procedures can perform multiple operations and return multiple values.
• Functions return a single value, while stored procedures can return multiple values.

• Functions are called in SQL statements, while stored procedures are called using EXECUTE statement.

• Functions cannot have output parameters, while stored procedures can have output parameters.

• Functions cannot modify server ...read more
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Q2. How to implement custom exception in MVC
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Custom exceptions can be implemented in MVC by creating a new class that inherits from Exception class.
• Create a new class that inherits from Exception class

• Override the constructor to pass a custom message to the base Exception class

• Throw the custom exception in the MVC controller or service layer
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Q1. What fifo? diff btwn fifo and lifo
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FIFO stands for First In, First Out. LIFO stands for Last In, First Out.
• FIFO is a method for organizing and manipulating a data buffer, where the first element added is the first to be removed.

• LIFO is a method where the last element added is the first to be removed.

• FIFO is like a queue, while LIFO is like a stack.

• Example: In a FIFO queue, if elements A, B, and C are added in that order, they will be removed in the same...read more
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First round was on Hacker Earth

Q1. Technical round was on Spring Data Jpa, Pagination, SOLID principles
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Q1. Uikit explaination
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Q2. Model classes with uikit
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Model classes in UIKit are used to represent data in an application's user interface.
• Model classes in UIKit typically subclass NSObject and are used to store and manage data for views.

• They can include properties to represent different data fields, methods to manipulate the data, and sometimes protocols for delegation.

• For example, a model class for a user profile in a social media app might have properties like username...read more
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