Reference objects are treated specially by the garbage collector.
This configuration provides a balance between how often the garbage collector runs and how long it takes the garbage collector to collect garbage.
The person who is most interested in garbage is the garbage collector. People abandon me and take it honestly.
When no more storage is available, the system invokes a garbage collector.
While this results in a very efficient garbage collector, it means that the user program must be able to tolerate the pauses introduced by the collector.
The garbage collector uses them to accelerate concurrent and parallel garbage collection; the scheduler uses them to efficiently schedule threads and processes and to implement intrinsic locking.
I assume most of you are more interested in using a garbage collector than implementing one yourself.
As you would expect, this results in the objects to which the handles point being eligible for deletion from the heap by the garbage collector.
As soon as this statement is finished, that Date is unnecessary, and the garbage collector can come along and get it anytime.
If the application makes poor decisions as to what objects to retain, performance can suffer as the garbage collector has to work harder to prevent the application from running out of memory.
The garbage collector then assesses whether soft references need to be cleared at this time, based on the amount of memory reclaimed by the current collection and other policy considerations.
Upon graduation, he became a garbage collector.
The garbage collector interacts closely with the class loader.
Type of garbage collector used (advanced JVMs offer many tuning options, but be careful).
If there were, the garbage collector would ship with that configuration, and tuning would be unnecessary.
Can garbage collection pauses be scheduled at times that are convenient for the user program, rather than for the garbage collector?
If this does not reclaim enough memory, the garbage collector can perform a collection of generations 2, 1, and 0.
Choosing poorly can allow the garbage collector to preempt your NHRTs or cause parts of your system to be starved of CPU.
When the system is overloaded, on the other hand, threads need to wait for other threads as well as for the garbage collector, and the maximum response times increase sharply for both policies.
Is the person a physicist or a garbage collector?
During the garbage collection process the garbage collector often moves objects to different locations in the heap.
Whether the object is freed depends on the algorithm of the garbage collector as well as the amount of memory available while the collector is running.
The garbage collector may incorrectly reclaim some storage that, when referenced, appears to contain pointers to uninitialized memory.
However, applications are still vulnerable to leaks if they incorrectly hold on to object references, as the garbage collector will not collect objects that are still referenced.
Of course, there are no perfect garbage collectors, but garbage collectors have improved significantly over the past ten years.
The garbage collector already does a lot of autonomic tuning to try to optimize its performance.
It can be scheduled when convenient by the JVM and any impact of the garbage collector is immaterial.
If an application attempts to create a new object when generation 0 is full, the garbage collector discovers that there is no address space remaining in generation 0 to allocate for the object.
When the garbage collector moves an object the garbage collector also updates all handles that refer to the object with the object's new location.
On the other hand, if the test code does any object allocation at all (and nearly all code does), it's going to create garbage, and eventually, the garbage collector is going to have to run.
This memory cannot be released by the garbage collector.
Programming languages that support destructors or have a garbage collector may mitigate this problem by making a wrapper over the C interface.
There are many interesting reads on how garbage collection works, including the different algorithms you can instruct the JVM to use for its garbage collector.
garbage collector's marker
Next, I added, then deleted four forms and again invoked the garbage collector.
