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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
Describe the Four Levels of Access Protection ? Any two various Java objects have one of four relations to each other. The four relations are: • The objects are in the simila
1. In Java (and OOP), Inheritance includes the concept of super class that is parent class and sub class that is derived class. Explain What is a super class in Java? What is a sub
When MalformedURLException and UnknownHostException throws? Ans) When the particular URL is not connected then the URL throws MalformedURLException and If InetAddress? methods g
To simplify complex class diagrams you may group classes into packages.
Prototype is having multiple instances or having clone.
If we have 2 tables like bankcustomer(cid,cname,addr,acc_type) and customeraccount(cid,amount). How to Deposit amount into the given customer account.?
Determine the phase Loading- Java Program Development In phase 3, the program must first be placed in memory before it can be executed. This is done by the class loader, whic
Give a example of Using toString() Methods ? Below is a version of CarTest in which uses toString() and System.out.println() instead of printing the fields in a straight line
list The Java Class Library? Java holds an extensive library of pre-written classes you can use in your programs. These classes are separated into groups known as packages. Th
A MapMessage carries name-value pair as its payload. Therefore its payload is same to the java.util.Properties object of Java. The values can be Java primitives or their wrappers
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