Stream Java 9 Improvements Core Java java Java 9 Stream API by devs5003 - July 31, 2023December 11, 20240 Java Stream API became an important feature with the release of Java 8, enabling developers to perform functional-style operations on collections with comfort. Subsequently, Java 9 introduced a new set of improvements that additionally improved the capabilities of streams, making them even more powerful and developer-friendly. In this article, we will explore the stream java 9 improvements, including complete code examples, highlighting their advantages in writing cleaner, shorter, and effective code. Stream Java 9 Improvements Java 9 has introduced a set of improvements in Stream API methods to enhance its capabilities and making it more developer-friendly. Some of the major improvements are: 1) takeWhile() 2) dropWhile() 3) iterate() 4) ofNullable() Let's go through them one by one in the subsequent sections. takeWhile( ) The takeWhile() method is an enhancement
How to deploy Spring Boot Application in Docker? Docker java Spring Boot by devs5003 - July 29, 2023April 17, 20254 Have you ever observed that an application runs successfully in development environment, but the same application with the same code creates multiple issues while running in the production environment? If not, you may observe this in near future when you follow traditional deployment procedure. Generally in traditional deployment, we copy the code from development server to the production server and carry out some other configurations. Further to avoid issues generated during production deployment, we should once think of Docker concept. Therefore, we are going to learn 'Spring Boot Docker: How to deploy Spring Boot Application in Docker?'. If you are a Java developer working in IT industry for the last few years, then you must have heard about Docker. Docker and
Spring Boot MVC REST Annotations With Examples Spring Boot java Spring by devs5003 - July 24, 2023January 9, 20241 In this article, we will discuss on 'Spring Boot MVC REST Annotations With Examples'. Needless to say, these annotations are very important for creating a web application in Spring Boot. If you want to learn all annotations which are generally used in a Spring Boot Project, kindly visit our article 'Spring Boot Annotations with Examples'. Let's discuss about 'Spring Boot MVC REST Annotations With Examples' here only. Spring Boot MVC REST Annotations With Examples Spring MVC and Spring REST are two different aspects of the Spring Framework. These both deal with building web applications, but they fulfil different purposes and use slightly different sets of annotations. Spring MVC (Model-View-Controller) is a design for building web applications that follow the traditional Model-View-Controller pattern. We
Spring Boot Bean Annotations With Examples Spring Boot java Spring by devs5003 - July 20, 2023May 8, 20253 In this article we will discuss on 'Spring Boot Bean Annotations with Examples'. Needless to say, these annotations play a crucial role in creating basic as well as enterprise level Spring Boot Applications. If you want to learn all annotations which are generally used in a Spring Boot Project, kindly visit our article 'Spring Boot Annotations with Examples'. Let's discuss about 'Spring Boot Bean Annotations with Examples' here only. What is a Java Bean? Java Bean is a simple java helper class, used to transfer data between classes or applications. Typically, it doesn't act as a main class, but like postman or delivery boy between two classes. It doesn't contain any logic. There are some standard guidelines to develop a Java Bean class: 1.
Exception Handling In Java MCQ Core Java java Java Exceptions Java MCQ MCQ by devs5003 - July 19, 2023September 3, 20250 Being a Java developer, you must be familiar with the importance of Exception handling in Java. Undoubtedly, Exception handling is the most important for you. You can’t imagine even a small project in Java without the implementation of Exception handling. Moreover, in order to work in an industry level project, you must have a good knowledge on Exception handling in Java. Apart from going through theoretical concepts multiple times, it is highly advisable that developers need much coding practice on Exception handling. In this article, we will be doing theoretical & code practice on ‘Exception handling in Java’ in the form of MCQs that are frequently asked in the interviews as well. Definitely, you must find this article beneficial whether it
ORM In Java Hibernate java Spring Spring Boot by devs5003 - July 12, 2023May 1, 20250 In software development, in order to build robust and scalable applications, effective data management is very important. In contrast to the traditional JDBC technique, Object-Relational Mapping (ORM) plays an important role in simplifying database operations by reducing the gap between object-oriented programming and relational databases. In this article, we will explore ORM In Java (ORM in the context of Java), its basic concepts, and how it improves productivity and maintainability in application development. Hibernate, one of the most popular ORM frameworks, offers a comprehensive set of features and has a large community of users. EclipseLink, another notable framework, is known for its performance optimizations and support for Java EE standards. Additionally, frameworks like Apache Cayenne and MyBatis provide alternative approaches to
MCQ on Collections In Java Collections Core Java java Java MCQ MCQ by devs5003 - June 27, 2023March 3, 20251 Being a Java developer, you must be familiar with the importance of Collections in Java. Undoubtedly, Collections are the most important for you. You can't imagine even a small project in Java without the use of Collections. Moreover, in order to work in an industry level project, you must have a good knowledge on Collections in Java. Apart from going through theoretical concepts multiple times, it is highly advisable that developers need much coding practice on collections. In this article, we will be doing theoretical & code practice on ‘Collections in Java’ in the form of MCQs that are frequently asked in the interviews as well. Definitely, you must find this article beneficial whether it is an interview or a written
Spring Boot Redis CRUD Example java Redis Spring Boot by devs5003 - June 26, 2023November 15, 20256 As a Java developer, if we talk about data layer, we can’t develop an insightful application without the use of CRUD Operations. We might have developed CRUD operations multiple times using a relational database such as My SQL, SQL Server, Oracle etc. However, this time we are going to use a NoSQL Database which is different than a relational database. Here, we will use the Redis database to implement CRUD operations using Spring Boot. Hence, our article for the discussion is 'Spring Boot Redis CRUD Example'. Traditionally, we use a relational database to work with an application. Of course, A relational database is a structured database and contains multiple tables to maintain meaningful relations between them. Additionally, it uses SQL like
MCQ on JPA and Hibernate Hibernate java Java MCQ JPA MCQ by devs5003 - June 14, 2023March 3, 20250 As a Java developer, you must have enhanced your skills in service layer technologies, such as Core Java, Spring, Spring Boot, Microservices etc. Undoubtedly, they are the most important for you. On the other hand, in order to work in an industry level project, you must have a good knowledge on data layer technologies, such as JPA or Hibernate or any ORM based technology. It is advisable that developers need much coding practice on ORM concepts rather than going through theoretical concepts again & again. In this article, we will be doing practice on 'JPA & Hibernate' in the form of MCQs that are frequently asked in the interviews. Certainly, you must find this article beneficial whether it is an interview
OOPs Design Principles java Core Java Design Principles by devs5003 - June 11, 2023November 6, 20250 Design Principles are nothing but a set of thoughts that initiate the basis of any good product. No doubt that they continuously help teams to make decisions in delivering a good quality product. Organizations, individuals and product teams always get benefited from writing and following their design principles. If we talk about OOPs Principles, they deal with the principles to design a good quality software where Object Oriented Programming Language is being used for development. In this article, we will be focusing on the OOPs Principles that are used by Industry Designers & Developers in the real time projects. What are OOPs Principles? Object-Oriented Programming (OOP) principles are fundamental concepts that guide the design and implementation of software systems using object-oriented programming languages