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Class variables are named as static variables. There is only single occurrence of a class variable per JVM per class loader. When a class is operated the class variables are initialized.
Instance variables are non-static and there is single occurrence of an instance variable in each and every class instance. A static variable is used in the singleton pattern. A static variable is used with a final keyword to define constants.
What is difference among LookupDispatchAction and DispatchAction? Ans) The difference among LookupDispatchAction and DispatchAction is that the actual method that gets known in
Explain the Remainder or Modulus Operator in Java? Java has one significant arithmetical operator you might not be familiar with, %, also called as the modulus or remainder ope
What does TCP/IP stand for? TCP/IP is a Protocol type basically it is known by Transmission Control Protocol/Internet Protocol
Explain data entry issues? DATA ENTRY: There is new data entered every day. New customers are added every day. Some of the data entry needs the manual entry within computer s
Question: (a) Discuss the Java approach to event processing by explaining how event handling works in Java. Use an example to support your answer. (b) Explain what is a ‘
What does it mean that a method or class is abstract? An abstract class cannot be instantiated. Abstract methods may only be included in abstract classes. However, an abstract
Explain what occur when an object is created in Java?
Overview Demonstrate your knowledge of JavaScript and ColdFusion by implementing the following functionality: Contact form • The following validation error message shou
Jakarta Struts is open source execution of MVC (Model-View-Controller) pattern for the development of web based applications. Jakarta Struts is robust architecture and can be used
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