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1. final - it is a constant declaration.
2. finally - handles exception. The finally block is optional and gives a mechanism to clean up regardless of what occurs within the try block. Use the finally part to close files or to free other system resources like database statements, connections etc.
3. finalize() - method performs in garbage collection. A method that is called before an object is discarded by the garbage collector, appearing it to clean up its state. Could not be need to release non-memory resources like sockets, file handles, database connections etc because Java has only a fix number of these resources and you do not know when the garbage collection is working to kick in to release these non-memory resources through the finalize() method.
Describe Importing Classes in java? Fully qualified names such as java.net.URL are not the most convenient thing to have to type. You can use the shorter class names like URL w
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When should I use abstract classes and when should I use interfaces? Use Interface, when: Design changing often or when various implementations only share method sign
What is an Iterator? Some of the collection classes give traversal of their contents via a java.util.Iterator interface. This interface permits you to walk through a collection
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Question: a) Give a detailed description of your understanding concerning "Managing User Sessions and Open files". b) What is "Overriding Inheritance" and how can it be do
How many kinds of errors can be found during a program development? List them. 1. Syntax errors 2. Semantic errors 3. Run-time errors
JMS is asynchronous in nature. Therefore not all the pieces need to be up all the time for the application to function as a whole. Even if the receiver is down the MOM will kept th
WHY WE USE JAVA IN PROGRAMMING INSTEAD OF OTHER PROGRAMMING LANGUAGE
The class TurtleQTwo extends Turtle by adding one new method, plus, which is specified below. (All other features of TurtleQTwo are the same as for Turtle.) method plus(n in
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