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Question:
(a) Java does not support multiple inheritance but does provide the concept of ‘interface'. Explain how interfaces can help a programmer to implement multiple inheritance in their programs. Explain with suitable Java examples.
(b) What is an abstract class in Java? Describe the importance of implementing these classes in programs. Illustrate with an example of your own.
(c) Show the Java approach to event processing by explaining how event handling works in Java. Use an example to support your answer.
(d) Describe what is a ‘Listener' in Java using an appropriate example?
Describe what is bytecode? It is an instruction set. It extends with class. 'javac' compiler translates the .java file into .class. JVM interprets bytecode.
Why Local variable is preferred over Global variable ? In my point of view Global variable has a few advantage along with Local variables is preferred because of the subsequent
Very frequently when you write code, you desire to perform distinct actions for different decisions. You can employ conditional statements in your code to do this. In JavaScript
Write a program in Javascript that will read in an XML file. This file will contain details of devices maintained by the IT department of an organisation including an ID number, de
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
A target is the class that is being advised. The class can be a third party class or your own class to which you require to add your own custom behavior. By using the concepts of A
What is JavaServer Faces event and listener model? Ans) A mechanism for verifying how events emitted by JavaServer Faces UI components are handled. This model is based on the Ja
Question 1 What do you mean by Java Virtual Machine? Question 2 Write a simple Java program to display a string message and explain the steps of Compilation and execution in Jav
a program to find the area under curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b
Develop a code for fibonacci series
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