Compile Listing 2 (javac AssertDemo.java) and run it with assertions enabled (java -ea AssertDemo). This time, you should observe the following slightly expanded output, which includes the reason ...

With the code compiled, you can execute it by adding the --enable-preview switch to the java command: jdk13@preview:$ java --enable-preview EnableJavaPreviewFeatures When the code runs, the content of ...

Change the text in the "output.write" line to what you want the text to say. Save your project. When you run your Java program, it will create a text file you can open in Notepad.