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SAP Java Software Engineer Interview Questions and Answers
SAP Java Software Engineer Interview Experiences
1 interview found
Interview Questionnaire
2 Questions
- Q1. Spring bean scope
- Q2. Spring mvc vs springboot
- Ans.
Spring MVC is a web framework while Spring Boot is an opinionated way of building Spring applications.
Spring MVC requires more configuration and setup compared to Spring Boot
Spring Boot provides a pre-configured environment for building Spring applications
Spring Boot includes an embedded server, making it easier to deploy applications
Spring MVC is more flexible and customizable compared to Spring Boot
Both frameworks ar
Interview questions from similar companies
Java Software Engineer Interview Questions & Answers
VMware Software
Anonymous
posted on 12 Oct 2020
I applied via Referral and was interviewed in Sep 2020. There was 1 interview round.
Interview Questionnaire
10 Questions
- Q1. 1.what are IOC AND dI
- Ans.
IOC stands for Inversion of Control and DI stands for Dependency Injection.
IOC is a design pattern that allows the flow of control to be inverted, where the framework controls the flow of the program.
DI is a technique where the dependencies of an object are injected into it, rather than the object creating them itself.
IOC and DI are closely related and often used together in software development.
Spring Framework is a p...
- Q2. 2.components of IOC
- Ans.
IOC stands for Inversion of Control. Its components are Dependency Injection and Aspect Oriented Programming.
Dependency Injection: injecting dependencies into a class instead of creating them within the class
Aspect Oriented Programming: separating cross-cutting concerns from the main logic of the application
Examples: Spring Framework, Guice
- Q3. Contructor Or setter injection
- Q4. Scopes in spring
- Ans.
Scopes in Spring refer to the lifecycle of a bean and its visibility within the application context.
Spring has four standard scopes: singleton, prototype, request, and session.
Singleton scope creates only one instance of a bean and is the default scope.
Prototype scope creates a new instance of a bean every time it is requested.
Request scope creates a new instance of a bean for each HTTP request.
Session scope creates a
- Q5. AOP types
- Q6. Detach and merge in spring
- Ans.
Detach and merge are used in Spring to manage the persistence of entities.
Detach is used to remove an entity from the persistence context.
Merge is used to update the state of a detached entity and merge it back into the persistence context.
Both detach and merge are commonly used in Spring Data JPA.
Example: entityManager.detach(entity); entityManager.merge(entity);
- Q7. Design pattern in java
- Ans.
Design patterns are reusable solutions to common software problems.
Design patterns provide a standard way of solving recurring problems in software development.
There are three types of design patterns: creational, structural, and behavioral.
Examples of design patterns include Singleton, Factory, Observer, and Decorator.
Design patterns can improve code readability, maintainability, and scalability.
- Q8. Multithreading in executor framework
- Ans.
Executor framework provides a way to execute tasks asynchronously using multithreading.
Executor framework provides a way to manage thread pools and execute tasks asynchronously.
It uses a pool of threads to execute tasks and provides a way to submit tasks to the pool.
The tasks are executed in a separate thread, allowing for parallel execution.
Executor framework provides different types of thread pools like fixed, cached...
- Q9. How to implement executor framework and it's benefits
- Ans.
Executor framework is used to manage threads and execute tasks asynchronously.
Executor framework provides a way to manage threads and execute tasks asynchronously.
It provides a thread pool and a queue to manage tasks.
It helps in improving the performance of the application by reducing the overhead of creating and destroying threads.
It also provides a way to handle exceptions and errors in the tasks.
Example: Executors.n...
- Q10. Question based on spring
Interview Preparation Tips
Skills evaluated in this interview
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
It was a coding round interview along with interviewer via Virtual mode. I was given 2 coding questions on HackerRank for the interview:
1. one was an easy problem on counting minimum replacements.
2. "pat is an ordinary kid who works hard to be a great runner...." this was a challenging problem (which I managed to solve).
3. I was asked some basic Python questions, as the role was for a Python Developer.
(5 Questions)
- Q1. LLD for Parking Lot
- Q2. Which database are you going to use for Parking lot and Why ?
- Ans.
I would use a relational database like MySQL for the Parking lot as it provides structured data storage and supports complex queries.
Relational databases like MySQL offer structured data storage for parking lot information
Supports complex queries for managing parking lot data efficiently
Ability to handle large amounts of data and transactions
Provides data integrity and security features
Can easily integrate with other s
- Q3. Questions related to OOPs
- Q4. Questions related to Multi Threading
- Q5. Questions related to Projects
(2 Questions)
- Q1. I hate this since i was informed that this round was a technical.
- Q2. Usual Mangerial questions, Project Related, etc
Interview Preparation Tips
Arrays and strings - 90 mins
Create Modules, railway reservation system - 60 mins
(5 Questions)
- Q1. Difference between hashmap and hasptable
- Q2. Why typescript over javascript
- Q3. Find the percentage of increace in the quantity of item after making it price 20% extra
- Q4. What is normalization
- Q5. Date and time api available
Software Developer Interview Questions & Answers
KPIT Technologies
Somashanker gudapati
posted on 3 Dec 2024
30min duration simple questions
Basic array 2 coding questions
(5 Questions)
- Q1. Introduce yorself
- Q2. Explain about final year project
- Q3. Github link for project
- Q4. What is oops in java
- Q5. What is polymorphism explain with examples
Selected
I applied via Campus Placement
1 coding question and MCQ on CS fundamentals were asked.
(3 Questions)
- Q1. Questions were on my project. It was a full stack project on MERN. I was asked about non blocking IO, promises, alternatives to react.
- Q2. I was asked a DSA question to find the set of element that occurs twice in the array. I was expected to run the code.
- Q3. I was asked basics about cloud and if I have any related experience as the role would be devops.
(1 Question)
- Q1. I was asked basics questions about myself. It was a very short 15 minute interview.
Software Developer Interview Questions & Answers
OpenText Technologies
Anonymous
posted on 11 Dec 2024
I applied via LinkedIn and was interviewed in Nov 2024. There were 3 interview rounds.
Basic DSA from the hacker rank website
(1 Question)
- Q1. Basic to medium questions on javascript, nodejs, MySQL joints, html5 tags
(1 Question)
- Q1. Real life problems, Use cases
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Difference between hashset and hashtable
- Ans.
HashSet is an unordered collection of unique elements, while Hashtable is a synchronized collection of key/value pairs.
HashSet does not allow duplicate elements, while Hashtable does not allow duplicate keys.
HashSet does not maintain insertion order, while Hashtable does not guarantee any order.
HashSet allows null values, while Hashtable does not allow null keys or values.
- Q2. Collection vs Collections
- Ans.
Collection is an interface in Java that represents a group of objects, while Collections is a utility class that contains static methods for operating on collections.
Collection is an interface in Java that represents a group of objects.
Collections is a utility class in Java that contains static methods for operating on collections.
Example: List
list = new ArrayList<>(); Collection collection = list; Example: Collections
(2 Questions)
- Q1. SQL query related questions
- Q2. Write a Java program to find the duplicate in Array
- Ans.
Java program to find duplicates in an array of strings
Create a HashSet to store unique elements
Iterate through the array and check if element is already in the HashSet
If element is already in the HashSet, it is a duplicate
Skills evaluated in this interview
Software Developer Interview Questions & Answers
Microsoft Corporation
Anonymous
posted on 1 Jan 2025
LeetCode , hard questions on dynamic programming, graphs, and more.
DSA, Cn, os, DBMS, ML
(2 Questions)
- Q1. Is relocation a possibility for this position?
- Q2. Senior role is there
amazing childrens
(5 Questions)
- Q1. Introduce yourself
- Ans.
I am a software developer with 5 years of experience in Java, Python, and SQL.
5 years of experience in Java, Python, and SQL
Worked on developing web applications using Java Spring framework
Proficient in database management with SQL
- Q2. Array question of leetcode
- Q3. Python basic and medium
- Q4. C++ standard template library
- Q5. Dynamic programming questions
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