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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.
Describe Importing Classes in java? Fully qualified names such as java.net.URL are not the most convenient thing to have to type. You can use the shorter class names like URL w
How Trojan Horses or Worms affect a computer system? What guidelines should be adopted to troubleshoot along with malicious software? Trojan horses are stand-alone programs. Th
You should override the hashCode() and equals() functions from the Object class. The default implementation of the hashcode() and equals(), which are inherited from the java.
Describe methods of Basic Applet Life Cycle ? All applets have the subsequent four methods: public void init(); public void start(); public void stop(); public void destroy();
Creating applications based on SOA Select your implementation technologies carefully. Carefully check if Web services are suitable. Sometimes using traditional methods suc
When MalformedURLException and UnknownHostException throws? Ans) When the particular URL is not connected then the URL throws MalformedURLException and If InetAddress? methods g
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The different types of actions in Struts are: ? DispatchAction ? LookupDispatchAction ? ForwardAction ? SwitchAction ? IncludeAction
When should a method be static? • Neither reads from nor writes to example fields • Independent of the state of the object • Mathematical methods which accept arguments, appl
Both synchronous and asynchronous are given by JMS.
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