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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.
Explain final fields ? You may also declare fields to be final. This is not the similar thing as declaring a method or class to be final. While a field is declared final, it is
Explain Java package and methods to use it?
Why do we need wrapper classes? It is sometimes simpler to deal with primitives as objects. Moreover most of the collection classes keep objects and not primitive data types. A
Problem : Compiler Design - Limit the loops Rajni is a newbie to the programming and while learning the programming language he came to know the following rules: ???• Each
Explain break statement in a loop ? A break statement exits a loop before an entry condition fails. For instance, in this variation on the CountWheat program an error messa
can you explain me the er diagram for the online doctor system
What is a variable in Java program? It's a memory location. Memory location is given some name. Memory location is being assigned some value. Value may change o
A point-to-point model is based on the concept of a message queue: Senders send messages into the queue, and the receiver reads messages from this queue. In the point-to-point mode
Why there is a need to use primary key in database ? Primary key is a constraint basically used in datdabase to uniquely identify the records in the database.
JMX framework can enhance the manageability of your application by 1. Monitoring your application for critical events, performance problems, and error condition statistics. E.g
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