Introduction For this hamcrest tutorial, i want to show multiple matches, which are very powerful. Therefore you can fully express your assertions. It provides a fluent and expressive way to define custom matchers for complex conditions and enhances the readability and maintainability of test code. Like always you can see all examples in my example […]
Hamcrest – Improve your tests with useful matchers Read More »
1. Introduction We shorty want to check if we can insert a POJO directly to a database without mapping each row to an insert. Try to experiment in my repo with JDBC Normally we could do the following, but it can be very tedious for large POJOs As you can see in Line 6, this
How to Insert a POJO to the Database without mapping Read More »
The Problem In Camel, a String or Boolean is typically used as a query parameter. You can chain multiple query parameters together. For example in the following we have fileName and delete as query parameters. But what happens when you want a Map as a query parameter? E.g. for the Bean-Component, you have „parameters“ as
How to add a Map to a query parameter in a Camel Endpoint Read More »
Introduction We want to shorty show all features which are new in Java 17. I have a repository to check out all new features in Java 17. Please check it out 🙂 1. Sealed Classes Sealed classes and interfaces restrict which other classes or interfaces can extend or implement them, allowing for more control over
What is new in Java 17 Read More »
Are you searching where your git config is located? With the following command you can search With the command –list, it shows all the configs and with the command –show-origin you should see where it is located
Where is my Git config located? Read More »
1. Introduction SSH and SFTP are two peas in a pod regarding secure communication and file transfer between computers. They’re like Batman and Robin, the dynamic duo of secure networking, always ready to thwart evil hackers and keep your data safe from harm. 2. What is SSH SSH is a cool, calm, and collected protocol
Difference between SSH and SFTP Read More »
Introduction We want to shortly give an overview of the different architectural styles, which are often used in software development. We quickly run through many of them and talk shortly about two advantages and disadvantages 1. Monolithic Architecture The entire application is built as a single, unified unit. All the code is tightly coupled and
Architectural Styles in Overview Read More »
Introduction We want to show some basic queries for the JDBC template. if you’re going to try out some queries, feel free to use my starter project with in-memory database How to insert with Named parameters For Insert, you can do simple execute. I will show two examples, the later one with named parameters Here
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Remove all Containers If you want to remove all containers from docker, you can simply use this command: docker ps will list all running containers. -a will list all running containers. -q will return the IDs. Therefore docker rm (list of ids) will remove all containers Kill all Containers If you only want to stop
How to remove all Containers in Docker Read More »
Introduction Java Map has a static initializer of(), which creates an Immutable Map Collection You can create up to 10 Elements in this Map For example What do to for more than 10 entries? Now if you want to add key11 and value11, what can you do? Unfortunately, you cannot just a simple Map.of() method
How to create a Map of more than 10 entries in Java Read More »
