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Blackhawk Network SSE Interview Questions and Answers
6 Interview questions
To create a thread safe singleton, use double-checked locking or static initialization.
Use a private constructor to prevent direct instantiation.
Create a private static instance of the class.
Use double-checked locking or static initialization to ensure thread safety.
Provide a public static method to access the instance.
Autowired is used in Spring Framework to automatically inject dependencies into a bean.
Autowired is used to reduce the amount of boilerplate code required for dependency injection.
It allows for automatic wiring of dependencies based on type or name.
Autowired can be used in constructors, fields, or setter methods.
Example: @Autowired private UserService userService;
Example: @Autowired public UserController(UserServi...
Cookies are used to store user data and preferences on websites for a better browsing experience.
Cookies help websites remember user login information
They can also store user preferences such as language and currency settings
Cookies are used for tracking user behavior and serving targeted ads
They can also be used for website analytics to improve user experience
Cookies can be both first-party (set by the website be...
Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope.
Variables declared with var are hoisted to the top of their scope
Function declarations are hoisted before variables
Function expressions are not hoisted
Hoisting can lead to unexpected behavior and bugs
Classes in JavaScript are a way to create reusable code templates for objects.
Classes are declared using the 'class' keyword.
They can have constructors, methods, and properties.
Instances of a class are created using the 'new' keyword.
Classes can also be extended using the 'extends' keyword.
Classes can be used to create objects with similar behavior and properties.
Lazy loading defers loading of non-critical resources until needed, while eager loading loads all resources upfront.
Lazy loading improves initial page load time and reduces unnecessary resource usage.
Eager loading is useful for small applications or when all resources are critical.
Examples of lazy loading include images, videos, and large data sets.
Examples of eager loading include small CSS and JavaScript files.
Blackhawk Network SSE Interview Experiences
1 interview found
Anonymous
I applied via geektrust and was interviewed in Dec 2020. There was 1 interview round.
Interview Questionnaire
6 Questions
- Q1. What is hoisting?
- Ans.
Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope.
Variables declared with var are hoisted to the top of their scope
Function declarations are hoisted before variables
Function expressions are not hoisted
Hoisting can lead to unexpected behavior and bugs
- Q2. Why are cookies used
- Q3. What is the usage of autowired?
- Ans.
Autowired is used in Spring Framework to automatically inject dependencies into a bean.
Autowired is used to reduce the amount of boilerplate code required for dependency injection.
It allows for automatic wiring of dependencies based on type or name.
Autowired can be used in constructors, fields, or setter methods.
Example: @Autowired private UserService userService;
Example: @Autowired public UserController(UserService us...
- Q4. How to create a thread safe singleton
- Ans.
To create a thread safe singleton, use double-checked locking or static initialization.
Use a private constructor to prevent direct instantiation.
Create a private static instance of the class.
Use double-checked locking or static initialization to ensure thread safety.
Provide a public static method to access the instance.
- Q5. Lazy loading vs Eager loading
- Ans.
Lazy loading defers loading of non-critical resources until needed, while eager loading loads all resources upfront.
Lazy loading improves initial page load time and reduces unnecessary resource usage.
Eager loading is useful for small applications or when all resources are critical.
Examples of lazy loading include images, videos, and large data sets.
Examples of eager loading include small CSS and JavaScript files.
- Q6. Classes in javascript
- Ans.
Classes in JavaScript are a way to create reusable code templates for objects.
Classes are declared using the 'class' keyword.
They can have constructors, methods, and properties.
Instances of a class are created using the 'new' keyword.
Classes can also be extended using the 'extends' keyword.
Classes can be used to create objects with similar behavior and properties.
Interview Preparation Tips
Skills evaluated in this interview
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I applied via Naukri.com and was interviewed in Jan 2021. There was 1 interview round.
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Interview Preparation Tips
Software Engineer Interview Questions & Answers
Saama Technologies
Prashant Kumar
posted on 15 Jul 2022
I applied via Referral and was interviewed before Jul 2021. There were 3 interview rounds.
If you are a fresher , then this is for you else almost no coding test for experienced candidates.
(1 Question)
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(1 Question)
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(5 Questions)
- Q1. Sql related questions were asked
- Q2. Manual testing questions were asked
- Q3. Joins questions
- Q4. Where clause questions
- Q5. Manual testing questions
Selected
I applied via Referral and was interviewed before Sep 2022. There were 3 interview rounds.
It was half an hour-long interview. Questions were mainly to examine the candidate's hold over OOP's and the mentioned language. Few coding questions to test logic building ability of the candidate.
(2 Questions)
- Q1. Salary Discussion
- Q2. Expectations from the company and area of interest of working
Interview Preparation Tips
- C#.Net
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Selected
I applied via Naukri.com and was interviewed before Dec 2022. There were 4 interview rounds.
Build mern application
(1 Question)
- Q1. Nodejs, javascript, project experience
(1 Question)
- Q1. Data structures and algorithms
Selected
I applied via Naukri.com and was interviewed before Jul 2022. There were 3 interview rounds.
(2 Questions)
- Q1. Technically on our JD and CV
- Q2. What were daily roles and responsibilites
(1 Question)
- Q1. Why do you want to join this company?
Interview Preparation Tips
- Devops
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I applied via Naukri.com and was interviewed before May 2021. There were 4 interview rounds.
(1 Question)
- Q1. 1st Round was good , was taken by Lead . Most of the questions on Hibernate and relational mapping with example. Core java some questions,
(1 Question)
- Q1. Core java , spring , spring boot , IOC container, Dependency Injection
(1 Question)
- Q1. Only core java and logical questions Hash code and equals String handling logical questions Static and non static And other logical questions
(1 Question)
- Q1. What’s your salary expectation and why that much ?”
- Ans.
I expect a salary of $X because of my experience, skills, and the market value for software engineers.
I have X years of experience in software engineering, which has allowed me to develop a strong skill set.
I have expertise in programming languages such as Java, Python, and C++.
I have successfully completed projects that required complex problem-solving and critical thinking.
I have a deep understanding of software deve...
Interview Preparation Tips
- Core Java
- Hibernate
- JPA
- Spring Boot
- spring tr
- REST API
Software Engineer Interview Questions & Answers
Data-Core Systems
PAMELA PRADHAN
posted on 22 Feb 2025
Selected
I appeared for an interview before Feb 2024.
Logical reasoning, pseudo codes, mathematical equations
(3 Questions)
- Q1. Explain OOPS in java
- Q2. Data Structure, Basic SQL queries
- Q3. Define abstract method and abstract class
(2 Questions)
- Q1. Why should we hire you?
- Q2. What challenges your faced in life?
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed in Apr 2023. There were 3 interview rounds.
Read apti books available in the market
(2 Questions)
- Q1. All Java related questions
- Q2. Idea about AI and general HR questions
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