This method is supported since Java 9. This method is used to create a new Stream object from an Optional object in Java. If the Optional object contains a value, this method will return the Stream object containing that value, otherwise, it returns an empty… Read More
In previous tutorials about introducing aspect oriented programming and compiling-time weaving with AspectJ, I introduced you all to the @Before annotation and @After annotation to insert the code before and after when our application call to a method of an object. They are the Advice. In… Read More
In the previous tutorial Introduce about Aspect Oriented Programming, I introduced three ways to insert code using AspectJ: compile-time weaving, post-compile weaving, and load-time weaving. Compile-Time Weaving is the simplest and easiest way to insert the code that will occur when we compile the source… Read More
In my previous tutorial, I showed you all an overview of Spring Data JPA and made an example of using the findById() method available in the JpaRepository interface to query the database for the data in the primary key column and method findByName() to retrieve… Read More
For Java code, to ensure that the code we wrote, works as we expect, and in the future if we make code changes we can be aware of the errors, we often use JUnit to write Unit Test. And for Mule ESB with Mule Flows,… Read More
In this tutorial, I will guide you all how to convert a folder in a GIT repository into a new GIT repository. Here, I use Git on Windows. OK, I have a repository with the following content: Now, my need is to separate the coffee project… Read More
In the previous tutorial, I introduced to you all an overview of JPA Query Language to manipulate database types using entities. Whenever you need information from the database, you will use the SELECT or UPDATE, or DELETE statements and the entity name to build into… Read More
Normally, when we need to manipulate any database we have to write SQL based on the information of the columns, the tables in the database, and possibly for different database types, the syntax of the SQL statement is different. To remove these drawbacks, you guys… Read More
In addition to using the CXF Component to expose a SOAP Web Service, we can also use the APIkit SOAP together with a WSDL file to do this in the Mule ESB. How is it in details? Let’s find out in this tutorial. First, I… Read More
To consume a SOAP Web Service in the Mule ESB, in addition to using the CXF Component, we can also use the Web Service Consumer Connector. How is it in details? We will find out in this tutorial. First, I will create a new Maven… Read More
