May 2004
Intermediate to advanced
888 pages
22h 31m
English
Content preview from Delphi for .NET Developer’s Guide
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How Garbage Collection Works
Two types of resources must be managed with which you should be familiar. These are managed resources and unmanaged resources. Managed resources are those about which the CLR knows how to manage because they are defined within the type specifications of the CLR. Unmanaged resources are those that the CLR will not know how to manage. Examples of such resources are those that require a Handle, such as a file or Windows resource (bitmap, icon, mutex, and so on).
The GC follows a simple mechanism for freeing heap memory of objects that are no longer being used within the application. Consider Figure 9.1.
Figure 9.1. Objects in the heap.
This figure represents the heap containing some objects allocated from an application. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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