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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.
TextMessage having instance of java.lang.String as its payload. Therefore it is very useful for exchanging textual data. It can also be used for exchanging difficult character data
A mechanism for converting among string-based markup generated by JavaServer Faces UI components and server-side Java objects.
What is asynchronous messaging? Queue Ans) Asynchronous messaging includes a client that does not wait for a message from the server. An event is used to trigger a message from
Difference between the File and Random Access File classes? Ans) The File class encapsulates the files and directories of the local file system. The Random Access File class giv
Explain Labeled Loops in details ? Generally inside nested loops break and continue exit the innermost enclosing loop. For instance consider the subsequent loops. for (int i=1
Explain Arithmetic Promotion and Binary Operations? An int divided through an int is an int, and a double divided by a double is a double, but what about an int divided by a do
Object Oriented Programming Java is basically object oriented. Each line of code you write in java should be inside a class (not counting import directives). OOP fundamental
To simplify complex class diagrams you may group classes into packages.
An online music store offers all songs for 3$ each. The store requires members to prepay any amount of money they wish, and then download as many songs accordingly. You are require
Describe Overriding Methods ? Assume that one day you've just finished your Car class. It's been plugged into your traffic simulation that is chugging along merrily simulating
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