Introduction to Java Functional Programming
Function<String, String> modifyString = (name) -> name.toUppecCase().concat(“modified”);
Read More Introduction to Java Functional ProgrammingSearch results for: Open API
An Introduction to the Mockito Framework
In today’s world of agile development, writing unit tests is vital and helpful in producing high-quality code. Unit tests ensure that the code complies with quality standards and that issues are identified before deployment. Java offers various testing frameworks to make the lives of developers easier, with Mockito being one of the well-known ones. In…
Read More An Introduction to the Mockito FrameworkMaster Methods in Java
Methods are an essential part of Java programming. They are used to group a set of statements together to perform a specific task, which can be called whenever needed. In this tutorial, we will discuss the different types of methods in Java, including predefined methods and user-defined methods, and their advantages. We will also cover…
Read More Master Methods in JavaJava Virtual Machine (JVM): The Complete Guide
The Java Virtual Machine (JVM) is an integral part of the Java platform and is responsible for executing Java code. It provides a platform-independent environment for running Java applications, allowing developers to write code once and run it anywhere. Understanding how the JVM works is essential for Java developers to optimize performance and ensure the…
Read More Java Virtual Machine (JVM): The Complete GuideJRE, JDK, and JVM: Understanding Differences and Uses
In addition to the Java Runtime Environment (JRE), the JDK includes the following components: Compiler The Java compiler is used to convert Java source code into bytecode that can be executed on the Java Virtual Machine (JVM). A compiler is a command-line tool that takes a .java file as input and produces a .class file…
Read More JRE, JDK, and JVM: Understanding Differences and UsesYour First Java Program: A Guide to Compiling and Running It Successfully
Welcome to this tutorial on how to compile and run your first Java program. Java is a versatile and widely used programming language, known for its portability and platform independence. Whether you are new to programming or have experience with other languages, this tutorial will provide you with a step-by-step guide to writing and executing…
Read More Your First Java Program: A Guide to Compiling and Running It SuccessfullyJava’s Powerful Features: A Comprehensive Guide
Java is a programming language that is widely known for its versatility, power, and many features. It is popular among developers due to its object-oriented design, portability, and strong security. Java’s object-oriented design allows developers to organize their code into modular units, making it easier to build large-scale applications. Java’s portability means that code can…
Read More Java’s Powerful Features: A Comprehensive GuideCheck if a String is Null, Empty or Blank in Java
String validation plays a crucial role in Java programming as it helps ensure the correctness and reliability of data processing. Strings are fundamental data types used to store text-based information, such as user inputs, file contents, or database values. However, these strings can often be empty, null, or contain only whitespace characters, which can lead…
Read More Check if a String is Null, Empty or Blank in JavaGet List of Objects with TestRestTemplate
In this tutorial, you will learn how to use TestRestTemplate to get a list of objects. If you are also interested to learn how to send an HTTP POST request, then please have a look at the “TestRestTemplate HTTP Post Example” tutorial. Maven Dependency To use TestRestTemplate in your Spring Boot project, you should have the…
Read More Get List of Objects with TestRestTemplateTestRestTemplate HTTP Post Example
This tutorial will teach you how to use TestRestTemplate to send HTTP Post requests. If you are also interested to learn how to send an HTTP GET request, then please have a look at the “Get List of Objects with TestRestTemplate” tutorial. What is TestRestTemplate? TestRestTemplate is HTTP Client that you use for Spring Boot…
Read More TestRestTemplate HTTP Post ExampleAn Overview of JUnit 5 Assertions with Examples
This article will explore the JUnit 5 Assertions API, go in-depth with examples of building fundamental assertions, and look at customizing the error message that appears when an assertion fails. We’ll also discuss how to execute many assertions simultaneously as an assertion group in our last section. So, let’s begin! What are JUnit Assertions? As…
Read More An Overview of JUnit 5 Assertions with ExamplesDifference Between @SpringBootTest and @WebMvcTest
In this blog post, you will learn the difference between @SpringBootTest and @WebMvcTest annotations. The main difference between the @SpringBootTest and @WebMvcTest annotations lies in the application context that they create. The @SpringBootTest annotation starts the full application context, which includes all the beans required for the application to function. On the other hand, the…
Read More Difference Between @SpringBootTest and @WebMvcTestGetting Started with Mockito @Mock and @InjectMocks
This tutorial will teach you how to enable Mockito framework in your Spring Boot project and in addition to that, you will also learn how to use @Mock and @InjectMocks annotations to create mock objects and inject those mock objects into the class under test. If you are very new to Mockito, please consider reading…
Read More Getting Started with Mockito @Mock and @InjectMocksHow to Run JUnit Tests in Order
In this tutorial, I am going to share with you how to make your JUnit tests run in order. And if you are interested to learn more about testing your RESTful Web Services with JUnit and Rest Assured check this list of tutorials: Building and Testing RESTful Web Services. By default, test classes and methods will…
Read More How to Run JUnit Tests in OrderCreate Spring Boot Project with Spring Initializr
In this tutorial, you will learn how to create a new Spring Boot project using Spring Initializr tool. What is String Initializr? Spring Initializr is a tool that helps you easily generate a new Spring Boot project and download it in a ZIP file. You can then open the created project in any Java development environment of your…
Read More Create Spring Boot Project with Spring Initializr