Java Web Start 6.0.180

Java Web Start is a technology from Sun Microsystems (now Oracle) that allows users to launch full-featured applications with a single click from their web browser. The applications are downloaded and cached locally and run outside of the browser sandbox, giving them more flexibility and power than traditional applets.

When a user clicks on a link to a Java Web Start application, the client downloads a Java Network Launch Protocol (JNLP) file. This file contains information about the application and its dependencies, such as JAR files, DLLs, and other resources. The client then downloads these resources and caches them locally. Once the resources are cached, the client launches the application using the Java Virtual Machine (JVM).

Java Web Start provides several benefits over traditional applets, including faster startup times, better performance, automatic updates, and access to system resources. Because the application runs outside of the browser sandbox, it has more flexibility and can interact with the user's system in ways that applets cannot. Additionally, Java Web Start supports digital signatures, which can provide additional security when downloading and launching applications.

Java Web Start is available on Windows, Mac OS X, and Linux.

Java Web Start requires version 1.4 or later of the Java Runtime Environment (JRE). However, it is recommended that you use the latest version of Java for better compatibility and security.

Yes, you can use Java Web Start to launch existing applets as well as standalone applications. However, you may need to modify your code to take advantage of some of the features of Java Web Start, such as automatic updates and digital signatures.

Yes, you need a web server to host your JNLP files and application resources. However, you do not need a Java application server or servlet container, as Java Web Start is a client-side technology.

To deploy your Java Web Start application, you need to create a JNLP file that describes your application and its dependencies. You also need to host this file and your application resources on a web server. Once your files are hosted, you can provide users with a link to the JNLP file so they can launch your application with one click.

Yes, you can customize various aspects of Java Web Start by using command-line arguments and other configuration options. For example, you can specify the JRE version or path to use, control the amount of memory allocated to the JVM, and set various security settings.

No, Oracle deprecated Java Web Start in JDK 9 and removed it from JDK 11, citing security concerns and the availability of alternative technologies such as JavaFX and the Java Platform Module System (JPMS). However, you can still use Java Web Start with earlier versions of the JDK, and there are third-party tools and libraries available that provide similar functionality.