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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.
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
The state chart diagram given below defines the thread states. 1. Runnable - waiting for its turn to be picked for performing by the thread scheduler based o
Give an example of code using static and finalize Example Code: using static & finalize () We want to count exact number of objects in memory of a Student class the one de
What is virtual function? While derived class overrides the base class method by redefining the same function, after that if client wants to access redefined the method from der
Static resources should always be contained using the JSP include directive. This way, the inclusion is performed just once during the translation phase. Do note that you should al
What Can an Applet Do? An applet can: • Draw pictures on a web page • Create a new window and draw in it. • Play sounds. • Receive input from the user by the keyboard or
Question 1: a) What is the meaning of an object-oriented programming? b) List eight simple types of data in Java c) Explain how objects and classes are closely related.
How many bits are used to show Unicode, ASCII, UTF-16, and UTF-8 characters? Unicode requires 16 bits and ASCII require 7 bits although the ASCII character set uses only 7 bits
Question 1 Explain any five buzz words in Java Question 2 Explain exception classes and also explain common exceptions in java Question 3 Explain primitive and abstract data t
Write a program called BaseConverter that prompts (asks) the user for a base 10 number and another number, between 2 and 10 inclusive. This second number is the base to which to co
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