Category Archive for: Additional packages

Simple DateFormat Class

Simple DateFormat Class SimpleDateFonnat is a concrete subclass of DateFormat. It allows you to define your own formatting patterns that are used to display date and time information. One of its Constructors is shown here: SimpleDateFormat(String Format String) The argumentativeness describes how date and time information is displayed. An , example of its ‘use is given here:…

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Text Formatting

Text Formatting The-package java.text allows you to format, search, and manipulate text. nus section takes a brief look at its most commonly used classes: those that format date and time information. DateFormat Class DateFormat is an abstract class that provides the ability to format and parse dates and times, The nonattendance( ) method returns an instance of DateFormat…

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Step Three: Install Files on the Client and Server Machines

Step Three: Install Files on the Client and Server Machines Copy Add Client.class, AddServerImpl_Stub.cLass, and AddServer Intf.class to a directory on the client machine. Copy AddServer Intf.class, Add ServerImpl.c1ass, AddServer ImpCSkel.class, AddServer mpC Stub.class, and AddServer.c1ass to a  directory on the server machine Step Four: Start the RMI Registry on the Server Machine The JDK provides a program…

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Step Two: Generate Stubs and Skeletons

Step Two: Generate Stubs and Skeletons Before you can use the client and server, you must generate the necessary stub. You may also need to generate-a skeleton. In the context of RMI, a stub is a Java object that . resides on the client machine. Its function is to present the same interfaces as the remote server. Remote…

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Step One: Enter and Compile the Source Code

Step One: Enter and Compile the Source Code This application uses four source files. The first file, AddServerIntf.java, defines the remote interface that is provided by the server. It contains one method that accepts two double arguments and returns their sum. All remote interfaces must extend the Remote interface, which is part of [java.rmi, Remote defines no members.…

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Remote Method Invocation (RMI)

Remote Method Invocation (RMI) Remote Method Invocation (RMI) allows a java object that executes on one machine to invoke a method of a Java object that executes on another machine. This is an important feature, because it allows you to build distributed applications, While a complete discussion of RMI is outside the scope of this book, the following…

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Reflection

Reflection Java lang reflect package and element Is in Class. Reflection is an important capability, needed when using components coiled Java Beans, It allows you to analyze CI software component and describe its capabilities dynamically, at run time rather than at compile lime. For example by using reflection, you can determine what methods, constructors, and fields class sports. The…

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Additional packages

Additional packages When Java 1.0 was released, it included a set of eight packages, called the core API. These are the packages described in the preceding chapters and arc the ones that you-all will use most often in your day-to-day programming. Each subsequent release added to the core API. Today, the Java API contains a…

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