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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?
The hashCode() and equals() methods have to be very important, when objects implementing these two functions are added to collections. If not implemented or implemented incorre
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Errors: When a dynamic linking failure or some other "hard" failure in the virtual machine happens, the virtual machine gives an Error. Typical Java programs could not find Error
Using this module we can keep up the database code clean and easy, and prevent problems that result from a failure to close database resources. A new layer of meaningful exceptions
program
Explain Parentheses in Java ? Sometimes the default sequence of evaluation isn't what you want. For example, the formula to change a Fahrenheit temperature to a Celsius tempera
AOP Alliance is an open-source project whose goal is to promote adoption of AOP and interoperability between different AOP implementations by describing a common set of interfaces
What is a multicast delegate? Every delegate object holds reference to a single method. Though, it is possible for a delegate object to hold references of and invoke multiple m
I want to develop a Chat application for j2me Project Description: We require a chat application for a community website. Skills required: Java, J2ME
How can I improve the performance of a java application , describe the java optimization techniques?
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