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ActionServlet performs the role of Controller:
? Process user requests
? Verify what the user is trying to achieve according to the request
? Pull data from the model (if essential) to be given to the appropriate view,
? Select the proper view to respond to the user
? Delegates most of this grunt work to Action classes
? Is responsible for initialization and clean-up of resources
What are the different types of messages available in the JMS API? Ans) Message, TextMessage, BytesMessage, StreamMessage, ObjectMessage, MapMessage are the dissimilar messages
Describe about User Security Issues and Social Engineering ? Contrary to popular belief most computer break-ins through external hackers don't happen since of great knowledge
A preconfigured JMS object (a resource manager connection factory or a destination) formed by an administrator for the use of JMS clients and placed in a JNDI namespace
Write the JavaScript code for the Function SumOddNumbers(maxNumber) in which can add non-negative odd numbers up to maxNumber and return their sum. Java Script Code
Q. Write the method to define the packages in java programme. Explain. Ans. Package: When we work on a project we have to break our programme in several classes. To organize
What interface must an object implement before it can be written to a stream as an object? Ans) An object must execute the Serializable or Externalizable interface before i
Explain switch statement in java language? Switch statements are shorthands for a certain type of if statement. It is not common to see a stack of if statements all related
1. De normalizes your tables where required. 2. Proper use of index columns: An index based on numeric parts is more efficient than an index based on character columns. 3. Re
What is an immutable object? An immutable object is one that we can't change once it's created. Steps involved in creation of an immutable object are: Make all of its data f
Polymorphism - defines the ability of a single variable of a provided type to be used to reference objects of different types, and automatically call the method that is specific
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