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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.
Explain the term - Garbage Collection Java performs garbage collection and eliminates the need to free objects explicitly. When an object has no references to
State in detail about Java Virtual Machine (JVM) Central part of java platform is java virtual machine Java bytecode executes by special software known as a "virtual machine
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Suppose we have a big project. Draw hierarchy of the people involved in the project? Executive Team CEO, COO, CMSO Quality Architecture Team Business Development Team Technolog
You are required to write a program that is going to be used to store the student details of a particular school. This school caters for students aged between 5 years to 15 years.
write a java program to test for class Person Student faculty Employee
Differentiate Local and Global Variables? Local variables are the variables have limited scope although global have bigger scope Local variables are not accessed through others
The method should printout line numbers from 1 to howmany in the previous format -ONLY WHEN is divisble by 3 but is should not oupt more then 3 numbers on the line. input 1 outpu
The LookupDispatchAction is a subclass of DispatchAction. It does a reverse lookup on the resource package to get the key and then gets the method whose name is associated with the
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