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list The Java Class Library?
Java holds an extensive library of pre-written classes you can use in your programs. These classes are separated into groups known as packages. The Java 1.1 packages• java.applet • java.awt • java.awt.datatransfer • java.awt.event • java.awt.image • java.awt.peer • java.beans • java.io • java.lang • java.lang.reflect • java.math • java.net • java.rmi • java.rmi.dgc • java.rmi.registry • java.rmi.server • java.security • java.security.acl • java.security.interfaces • java.sql • java.text • java.util • java.util.zip
Each package describes a number of classes, interfaces, exceptions, and errors.
Packages can be split into sub-packages. for instance, the java.lang package has a sub-package known as java.lang.reflect. These are really fully different packages. A class in a sub-package has no more access to a class within the parent package (or vice versa) than it would to a class in a fully different package.
Objectives _ Creating and compiling a simple program _ Designing classes _ Use of recursive algorithms _ Learn basic combinatorics Task: string permutation Writ
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
Explain the Reading documentation for a class in the class library For instance, let's suppose you need to use the URL class in the java.net package. Through reading the docume
#include float start_point, /* GLOBAL VARIABLES */ end_point, total_area; int numtraps; main( ) { void input( void );
Use a FOR loop and give me the largest number divisible by 7 11 13 17 use the number from 1 to 10000 (or even 100000)
What is Externalizable interface? Externalizable is an interface which have two methods readExternal and writeExternal. These methods give you a control over the serialization
The basic system has to offer the following options: 1. Exit the program 2. Enter new customer The program prompts for the details of a new customer, assigns a unique cust
Asynchronous control
What is the purpose of garbage collection in Java, and when is it used? The purpose of garbage collection is to identify and discard objects that are no longer required by a pr
Session Bean : is a non-persistent object that provides some business logic running on the server. Session beans do not provide system break down. There are two kinds of session b
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