What is the purpose of finalization?

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The purpose of finalization is to give an unreachable object the opportunity to perform any cleanup processing before the object is garbage collected.

2012-06-28, 2800👍, 0💬

What is the numeric promotion?
What is the numeric promotion? Numeric promotion is used with both unary and binary bitwise operators. This means that byte, char, and short values are converted to int values before a bitwise operator is applied. If a binary bitwise operator has one long operand, the other operand is converted to a... 2012-07-02, 2886👍, 0💬

What is the purpose of finalization?
What is the purpose of finalization? The purpose of finalization is to give an unreachable object the opportunity to perform any cleanup processing before the object is garbage collected. 2012-06-28, 2801👍, 0💬

Can an anonymous class be declared as implementing an interface and extending a class?
Can an anonymous class be declared as implementing an interface and extending a class? An anonymous class may implement an interface or extend a superclass, but may not be declared to do both. 2012-06-28, 2706👍, 0💬

How many methods in Object class?
How many methods in Object class? This question is not asked to test your memory. It tests you how well you know Java. Ten in total. clone() equals() & hashcode() getClass() finalize() wait() & notify() toString() 2012-06-29, 2704👍, 0💬

When should the method invokeLater()be used?
When should the method invokeLater()be used? This method is used to ensure that Swing components are updated through the event-dispatching thread. 2012-06-29, 2702👍, 0💬

What is the difference between preemptive scheduling and time slicing?
What is the difference between preemptive scheduling and time slicing? Under preemptive scheduling, the highest priority task executes until it enters the waiting or dead states or a higher priority task comes into existence. Under time slicing, a task executes for a predefined slice of time and the... 2012-06-26, 2685👍, 0💬

Name Component subclasses that support painting?
Name Component subclasses that support painting? The Canvas, Frame, Panel, and Applet classes support painting. 2012-06-26, 2663👍, 0💬

Is the numeric promotion available in other plantform?
Is the numeric promotion available in other plantform? Yes. Because Java is implemented using a platform-independent virtual machine, bitwise operations always yield the same result, even when run on machines that use radically different CPUs. 2012-07-03, 2622👍, 0💬

What is a native method?
What is a native method? A native method is a method that is implemented in a language other than Java. 2012-06-27, 2606👍, 0💬

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