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When is AlreadyBoundException thrown and by which method?
Ans) AlreadyBoundException is thrown by bind(String name) method when a remote object is already registered with the registry with the similar name.
Note: rebind method doesn't throw AlreadyBoundException because it changes the existing binding with similar name.
Socket and ServerSocket. ServerSocket is used for normal two-way socket communication. Socket class permits us to read and write by the sockets. getInputStream() and getOutputStrea
1. Obtaining the new script: Download and save the attached comment CGI mailer script form-mail2.pl to your server''s cgi-bin directory, and change the permissions on the script to
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What is the role of hub in networks? The network traffic controller - elements of convential computer networks. Hub is used to link the different computers within the network i
On the surface, an application context is similar as a bean factory. But application context offers much more.. ? Application contexts give a means for resolving text messages,
What are the different scopes for Java variables? The scope of a Java variable is explained by the context in which the variable is declared. Therefore a java variable can have
Platform independence is the key feature of Java during runtime. Syntax of java is same to the popular object oriented languages such as C and C++. Java program can eliminate most
What restrictions are placed on method overriding? Overridden methods must have the similar name, argument list, and return type. The overriding method may not limit the access
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Explain the Polymorphism principle. Polymorphism can be referred as one name many forms. It's the ability of methods to behave differently, relying upon the object who is calli
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