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Explain primitive data types in java?
Java's primitive data types are extremely similar to those of C. They involve boolean, byte, short, long, int, float, double, and char. The boolean type has been added. Therefore the implementation of the data types has been substantially cleaned up in various ways.
1. Where C and C++ go away a number of issues to be machine and compiler dependent (for instance the size of an int) Java specifies everything. 2. Java prevents casting among arbitrary variables. Only casts among numeric variables and among sub and superclasses of the same object are permitted. 3. All numeric variables in Java are signed.
sizeof isn't essential in Java because all sizes are precisely described. For instance, an int is always 4 bytes. This might not seem to be adequate while dealing with objects in which aren't base data types. Therefore even if you did know the size of a particular object, you couldn't do anything with it anyway. You cannot convert an arbitrary object within bytes and back again.
The RMI architecture is based on one significant principle: the definition of behavior and the execution of that behavior are separate concepts. RMI allows the code that describes
The JMS provider handles security of the messages, data conversion and the client triggering. The JMS provider verifies the level of encryption and the security level of the messag
Why You don't need to import java.lang.* There is one exception to the import rule. All classes in the java.lang package are imported by default. Therefore you do not required
class Writer extends Client { // additional members private boolean technical = false; private boolean government = false; private boolean international = false; pri
Determine the meaning of finalize When a finalize method is defined in a class, Java run time calls finalize() whenever it's about to recycle an object of t
Messaging is a method of communication among software components or applications. A messaging system is a peer-to-peer facility: A messaging client can send messages to, and receiv
Deliverable: 1) WAR file for your application that can be deployed and run on TomcaT (War file must contains the Java source code) Requirement for application: 1. Application m
An RMI "service" could well be any Java method that can be invoked remotely. The other service is the JRMP RMI naming service which is a lookup service.
school management system
#questionSmugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they
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