By Justin Simmons

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The main and final blow was made by Microsoft, first by withdrawing its Java support from its Internet Explorer product, and second by excluding the Java JRE from Internet Explorer’s default configuration. More information can be found about applets at the Applet Chapter, in this book. Also google has an article about Applets. Client Server applications The client server applications consist of a front-end, and a back-end part, both running on a separate computer. The idea is that the business logic would be on the back-end part of the program, which would be reused by all the clients.

The back-end part would listen for an incomming request. Based on the protocol it interprets the request and sends back the result in data form. ƒ The other way is to use Java Remote Invocation(RMI). With the use of RMI, a remote object can be created and used by the client. In this case Java objects are transmitted across the network. Web Applications For applications needed by lots of client intallations, the client-server model did not work. Maintaining and upgrading the hundreds or thousands of clients caused a problem.

Assertions are enabled with the Java -ea or -enableassertions runtime option. See your Java environment documentation for additional options for controlling assertions. boolean is a keyword which designates the boolean primitive type. There are only two possible boolean values: true and false. The default value for boolean fields is false. The following is a declaration of a private boolean field named initialized, and its use in a method named init() private boolean initialized; // default value is false public synchronized void init() { if ( !

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