The following code snippets demonstrate how to read and write text files in Java.
var fileName = Path.of("myfile.txt");
var content = Files.readString(fileName);
var fileName = Path.of("myfile.txt");
var content = "this is a test";
Files.writeString(fileName, content);
Have a look at the picture below. Here we have Mr Blue and Mr Red. These guys need to have a discussion but Mr Blue only speaks Blue while Mr Red only speaks Red. So what to do? Well, it's simple really. We do what we have always
You may have wondered what these layers are and what they look like. In many ways, layers are conceptual, meaning they are ways of organizing your code so that your code stays manageable. The bigger the application, the more important the manageability of the code base becomes. You never want
Your typical Enterprise Information System has at least five architectural layers. Before we discuss these layers, let's look at a real-world use case that we are all familiar with; transferring money from one account to another using your mobile device. Use Case - Summary * The User opens the
In this short post, I want to mention the two major categories of Information Systems, namely Transactional Information Systems, and Analytical Information Systems. Sometimes, the boundaries between these types can be blurred. Transactional Information System Transactional systems are all about getting data into the database by capturing the transactions of