java – Content type ‘application/octet-stream’ not supported for bodyType when using MockServer in spring boot

I am trying to test the serialization of responses between two microservices. For that I want my mocked service to return a predefined response every time a post request to a specific path is made, but it throws errors. I tried pretty much everything in my power so far so I turn to thy oh … Read more

Top 7 Features in Jakarta EE 10 Release

Java EE was the dominant force behind all the enterprise development in Java. Lately, it was renamed Jakarta EE, transitioning from JCP to Eclipse Foundation. This transition opened the door to open governess, open compatibly testing (earlier Technology Compatibility Kit -TCK was closed source), and of course, open-source. That means no specific vendor has more … Read more

java – Unity 2021.3.4f1 Gradle Build failed

Unity 2021.3.4f1 is giving me these errors while building an apk > Starting a Gradle Daemon, 1 > incompatible Daemon could not be > reused, use –status for details > > > Configure project :launcher WARNING: The option setting > ‘android.enableR8=false’ is > deprecated. It will be removed in > version 5.0 of the Android … Read more

java – Spring Data JPA – Consider defining a bean named ‘entityManagerFactory’ in your configuration

I am developing an application in Spring, using Tomcat, Mysql5, Java8… The problem is that I cannot deploy it, due to “required bean ‘entityManagerFactory’ not found” problem. I have developed this project with my coworkers but they can perfectly deploy it with any problems, even if I copy-paste the same project in Spring Tool Suite. … Read more

java – What is a good way to make an application selector layout?

I, personally, would start with a JList with a HORIZONTAL_WRAP See How to Use Lists for more details For example… import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.EventQueue; import java.awt.Image; import; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import javax.imageio.ImageIO; import javax.swing.DefaultListCellRenderer; import javax.swing.DefaultListModel; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JList; import … Read more

Abstract classes vs. interfaces in Java

Abstract classes and interfaces are plentiful in Java code, and even in the Java Development Kit (JDK) itself. Each code element serves a fundamental purpose: Interfaces are a kind of code contractwhich must be implemented by a concrete class. Abstract classes are similar to normal classes, with the difference that they can include abstract methods, … Read more

methods – Is Java “pass-by-reference” or “pass-by-value”?

There are already great answers that cover this. I wanted to make a small contribution by sharing a very simple example (which will compile) contrasting the behaviors between Pass-by-reference in c++ and Pass-by-value in Java. A few points: The term “reference” is an overloaded with two separate meanings. In Java it simply means a pointer, … Read more