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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.
Write the hashCode() method of java.lang.Object Anytime you override equals() you should also override hashCode(). The hashCode() method should ideally return the similar int f
Can we use the constructor, instead of init(), to initialize servlet? Ans) Yes. Of course you can use the constructor instead of init(). There's nothing to stop you. But you sho
Describe Graphics Objects ? In Java all drawing takes place via a Graphics object. This is an example of the class java.awt.Graphics. Initially the Graphics object you use w
hi there I have some problem on java .. can u do it for me
Explain Subclasses and Polymorphism ? Car and Motorcycle are subclasses of MotorVehicle. If you instantiate a Car or a Motorcycle along with new, you can use in which object a
How can we use Observer and Observable ?
Introduction: In this project, you will explore a few sorting algorithms. You will also test their efficiency by both timing how long a given sorting operation takes and count
How Polylines draws in java language? Java automatically closes the polygons it draws. That is it draws polygons which look like the one on the right rather than the one on the
Please check out the given instruction that I received to do the assessment. I can provide you that link to go on and submit the answers. To assess your coding skills, we would
i need help i hav done the gui part of my project and some simple symbols but to display some complex symbols like integration and all but it shud be clear with lower and upper lim
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