How to run java applet viewer4/7/2024 Init − This method is intended for whatever initialization is needed for your applet. Other classes that the applet needs can be downloaded in a single Java Archive (JAR) file.įour methods in the Applet class gives you the framework on which you build any serious applet − The security of an applet is often referred to as sandbox security, comparing the applet to a child playing in a sandbox with various rules that must be followed. The JVM on the user's machine creates an instance of the applet class and invokes various methods during the applet's lifetime.Īpplets have strict security rules that are enforced by the Web browser. The JVM can be either a plug-in of the Web browser or a separate runtime environment. When a user views an HTML page that contains an applet, the code for the applet is downloaded to the user's machine.Ī JVM is required to view an applet. There are some important differences between an applet and a standalone Java application, including the following −Īn applet is a Java class that extends the class.Ī main() method is not invoked on an applet, and an applet class will not define main().Īpplets are designed to be embedded within an HTML page. An applet can be a fully functional Java application because it has the entire Java API at its disposal. An applet is a Java program that runs in a Web browser.
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