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The non-final functions are clone (), finalize (), toString (), equals (), hashCode () and. The other methods like wait (), getClass (), notifyAll (), notify () etc are final functions and therefore cannot be overridden.
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 incorrectly at all then your objects added in a collection like a Set, Map or List can behave strangely and also is hard to debug.
When should I use abstract classes and when should I use interfaces? Use Interface, when: Design changing often or when various implementations only share method sign
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
Explain DATA SECURITY Management issue? All data in the system is extremely critical to its operation, the security of the customer's personal data is most important. Most of t
Public class ConversionProgram { public void start() { String userChoice = askConversionCategory(); while (userChoice.equals("1") || userChoice.equals("2") || Page 2
We need a very good iOS and/or Android developer preferred to be from Egypt. He will be responsible in developing iOS or/ and Android apps for a company. All details will be provid
Explain the library java.lang.Math ? The Java class library is huge. We will not cover it all presently. In fact, the remaining eight classes will focus mostly on the class lib
Write a program that takes as input a sequence of transactions of the form
Support for Web and Enterprise Web Applications Java offers an extensive support for the development of web and enterprise applications Servlets, JSP, Applets, RMI, JDBC, EJBs
What is Bullseye explain with an example? This is a easy applet that draws a series of filled, concentric circles alternating red and white, instead a bullseye. import java.ap
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