You can't force GC, but could request it by calling System.gc(). JVM does not guarantee that GC will be started immediately.
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Garbage collection eliminates uneeded objects. the new statement allocates memory for an object on the heap.When no objects reference the object it may be removed from the heap (this is a non deterministic process).Finalize is called just before the memory is released.
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They die when they are pulled off the stack (go out of scope).
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A list of URL patterns and HTTP methods that describe a set of Web resources to be protected.
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A database is a logically coherent collection of data with some inherent meaning, representing some aspect of real world and which is designed, built and populated with data for a specific purpose.
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It is a collection of programs that enables user to create and maintain a database. In other words it is general-purpose software that provides the users with the processes of defining, constructing and manipulating the database for various applications.
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