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Explain abstract method in java? Java permits methods and classes to be declared abstract. An abstract method is not actually implemented in the class. It is merely declared th
Explain java.util.Random package? The java.util.Random class permits you to create objects which generates pseudo-random numbers along with uniform or gaussian distributions ac
Debugging mode can be enabled by adding the following line of code before creating new connections: XMPPConnection.DEBUG_ENABLED = true; When debugging mode is enabled, a
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
Elaborate the ‘+ ' operator and its constraints along with the help of examples? The + Operator Used on Strings. The + operator could also be used to add string variables or te
What is Operator Overloading? A few object oriented languages, notably C++, permit you to not only overload techniques but also operators like + or -. This is very menaingful w
Question 1: a) What is an "Operating System"? b) Describe the four main computer system components. c) Describe and compare "Parallel Systems" and "Distributed Systems
how cani study java
Explain The Applet in java? The reason people are excited about Java as more than just another OOP language is because it allows them to write interactive applets on the web.
The Java programming language is object-oriented and includes automatic garbage collection. Garbage collection is the process of reclaiming memory taken up by unreferenced objects.
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