Creating Your First Applet HelloWorldApp is an example of a Java application, a standalone program. Now you will create a Java applet called HelloWorld, which also displays the greeting "Hello world!". Unlike HelloWorldApp, however, the applet runs in a Java-enabled Web browser such as HotJava, Netscape Navigator, or Microsoft Internet Explorer. To create this applet, you'll perform the basic steps as before: create a Java source file; compile the source file; and run the program