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Question:
(a) Explain the importance of abstract classes in Java with an appropriate example.
(b) Explain what is meant by an interface in Java? Use a simple example to illustrate your answer.
(c) A GUI may contain text-fields, buttons, and other labels. A button usually triggers an event on the GUI. Explain the different processes in registering an event and handling the action performed by the button in Java.
(d) Write the code for a GUI which will allow a user to enter two numbers and then compute the product by clicking on a button. The result can be displayed in a text-field or as a label on the GUI.
In RPC the method invoker waits for the method to finish implementation and return the control back to the invoker. Therefore it is completely synchronous in nature. Whereas in JMS
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How to get all the registered objects in a rmiregistry? Ans) Using list method of Naming Class.
Write down HTML or JavaScript code for the following requirements: Declare an Array along with the identifier SUBJECT having length 5. Assign subsequent values to the array par
a) Using Java, create an interface with a method called concatenation which will be implemented in the class patient in part b. b) Using Java, write the class patient with the
Write a program called Drivers that displays information about Formula 1 drivers and their teams. The program starts by prompting (asking) the user for the name of an input tex
What is File Transfer Protocol? This protocol is used to upload the files on remote computers. This is used to transfer files among computer on TCP/IP network e.g. internet and
identify the possible classes and methods in the classes which can be used in a sales tracking system for a fast food restaurants
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