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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.
Question: (a) Java does not support multiple inheritance but does provide the concept of ‘interface'. Explain how interfaces can help a programmer to implement multiple inheri
Need Basic IDE with Plug-ins Project Description: I am seeking someone to create me a Basic IDE that is able to install custom created plug-ins using Java. What I need you
The typical use of the roster class is to display a tree view of groups and entries along with the current presence value of each entry. As an example, see the image showing a Rost
Are you real? I dont want to get help from a computer
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Develop a simple polling (voting) web application according to the following specifications: 1. Initially a page should be presented to the user where he can enter his/her
data structure
What is Constructor? A constructor is used to initialize a newly created object. It's called just after memory is allocated for the object. It can be used to initial
What Can an Applet Do? An applet can: • Draw pictures on a web page • Create a new window and draw in it. • Play sounds. • Receive input from the user by the keyboard or
I need to draw cars and trucks and background with road and a house with sky. I have to use Vehicle class as a parent class. To draw pictures, i should draw fun things coming up
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