Java Applet

What Does Java Applet Mean?

A Java applet is a small dynamic Java program that can be transferred via the Internet and run by a Java-compatible Web browser. The main difference between Java-based applications and applets is that applets are typically executed in an AppletViewer or Java-compatible Web browser. All applets import the java.awt package.

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Techopedia Explains Java Applet

The following are two issues with Java applets:

  • Security: Java resolves the security issue by restricting applets to Java’s execution environment and preventing access to system resources.
  • Portability: Portability is defined as the applet’s ability to run on different computers and operating systems.

Any browser with Java Virtual Machine (JVM) can execute bytecode, which is the output of a Java compiler and can be run only in a JVM. Bytecode is Java’s solution for security and portability.

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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.