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Coarse Grained SOA:
Services are also could be coarse grained. E.g: You may have a purchase element with individual functions to make a purchase order, add line items, and a customer element to set the customer information etc. calling these individual functions locally would not cause any problem but if you use remote service invokes then performance causes can be evident. The solution is for the service to give a single method call to prepare an order, add line items and set the customer details adding a façade design pattern by getting a single DTO (Data Transfer Object) or an XML containing the full data base structure for the entire order.
A specialized subclass of ActionForm that permits the creation of form beans with dynamic sets of properties (configured in configuration file), without requiring the developer to
Write a bouncing ball video game. The game is similar to the one described and depicted in Figure of the text book. The balls bounces within the screen where the two horizontal wal
The Java programming language is object-oriented and includes automatic garbage collection. Garbage collection is the process of reclaiming memory taken up by unreferenced objects.
Depicts the typical communication between external users and the system. The emphasis is on what a machine does rather than how it works it. A use case is a summary of scenarios fo
A Queue of Cards You are going to parallel the development done in the lesson on inheritance where we constructed some base classes, StackNode and Stack, and derived Floa
This project is based on the teams example of chapter 1. Instead of teams, you will consider employees working in a department in a company. (Departments and employees are analog
Explain operator precedence in java ? It's probable to combine multiple arithmetic expressions in one statement. For example the subsequent line adds the numbers one by five:
What restrictions are placed on method overriding? Overridden methods must have the similar name, argument list, and return type. The overriding method may not limit the access
What is an abstract class? Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie. you may not
Design pattern : As you may look from the diagram given below, containers collect components. Sometimes you want to accumulate a container to another container. So, a container co
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