Each command in the Command pattern is encapsulated, so creating logs is easy. You need to be able to execute multiple commands at once. You can easily add a Queue , List , or Set into a command ...

Compile the Java program with the javac command as shown below. Be warned that you won’t see anything happen. However, if you use the dir command, you’ll notice a new file in your directory ending in ...

Now, open the Command Prompt and run it as administrator. We will make use of the ‘cd’ command to change the operating directory on the Command Prompt to the one where your Java program is stored.