sams java distributed objects

Distributed Objects

Distributed Objects
... make interobject communication possible; Explains situations where distributed objects can be useful; Shows you how to use remote objects and the associated remote method invocation (RMI) for communicating ... technology, supports method calls between distributed Java objects CORBA, the Common Object Request Broker Architecture, supports method calls between objects of any programming language CORBA ... to manipulate server objects, but it doesn't actually have copies of them The objects themselves reside on the server The client code must still know what it can with those objects Their capabilities...
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Distributed objects RMI

Distributed objects  RMI
... remote objects –Remote objects are called as CORBA objects but are essentially regular objects wrapped in CORBA IDL –Clients make a request of the ORB –The ORB is responsible for: •locating objects, ... local garbage collectors •Similar to the classic Object Model 10/21/2010 RMI (Remote Method Invocation) RMI RMI cài đặt nào? RMI tổ hợp nhiều đối tượng modules Ví dụ: đối tượng A tạo lời gọi từ ... dispatchers •Module truyền thông RMI RMI •How RMI is implemented •Module truyền thông –Cái đặt nghi thức yêu cầu-trả lờ (Request-Reply) dùng truyền thông Example: Objects A makes a remote method...
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Java Classes & Objects

Java Classes & Objects
... lớp, nói ta tạo thể (instance) lớp Java Simplified / Session 22 / of 45 Classes  La dơn vị lập trình Java Data members (Attributes) Class components Method Method Java Simplified / Session 22 / ... Không cho phép kế thừa Java Simplified / Session 22 / 15 of 45 Public-ex Java Simplified / Session 22 / 16 of 45 Protected-ex Java Simplified / Session 22 / 17 of 45 Private Java Simplified / Session ... phẩy Java Simplified / Session 22 / of 45 Method  The flow of control following method invocations Java Simplified / Session 22 / 10 of 45 Ex: Lớp RectangleDemo • Để thực thi, chương trình Java...
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using uml for modeling a distributed java application 1997

using uml for modeling a distributed java application 1997
... mechanism takes care of marshaling and unmarshaling parameter objects using object serialization RMI and object serialization are tightly integrated into the Java framework and extend Java features ... Session assigned to the use case Edit Break Plans: A plan editor starts the break planner application, chooses a break plan to edit and assigns two teachers to breaks before the application is nally ... create break plan add breaks open break plan assign teacher to break unassign teacher print break plan look at statistics [another action] [last action] close break plan Figure 4: Activity Diagram...
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Distributed Computing in Java - Lab Tutorial 2

Distributed Computing in Java - Lab Tutorial 2
... System.out.println("You are learning Java I/O"); © Ngô H i Anh -4 - ngohaianh@ioit.ac.vn Distributed Computing in Java Lab Tutorial Last updated: 9/8 /20 10 } }); java. add (java1 ); JMenu java2 =new JMenu( "Distributed ... là: © Ngô H i Anh -2 - ngohaianh@ioit.ac.vn Distributed Computing in Java Lab Tutorial Last updated: 9/8 /20 10 - showMessageDialog() - showInputDialog() - showOptionDialog() - showConfimDialog() ... JMenu( "Distributed Computing with Java" ); java2 .add(new JRadioButtonMenuItem("Swing")); java2 .add(new JRadioButtonMenuItem("RMI")); java2 .add(new JRadioButtonMenuItem( "Java Mail")); java. add (java2 ); JMenu java3 =new...
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Distributed Computing in Java - JavaMail pps

Distributed Computing in Java - JavaMail pps
... Distributed Computing in Java Assignments Figure 9.1: GUI for the Email Client On clicking the send button the email is sent to the recipients ... recipients along with the attachments, if any If the message is sent successfully then a corresponding message is displayed to the user © 2007 Aptech Ltd Version 1.0 Page of ...
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