- #Jprofiler find garbage collector algorithm free#
- #Jprofiler find garbage collector algorithm windows#
（糟糕、无聊或程度强烈到）令人头脑麻木的) memory-management task for developers.įortunately, there is: Garbage Collection. It would be wonderful if some mechanism existed that simplified the mind-numbing(adj. It distracts developers from concentrating on the real problems that they’re trying to solve. Proper resource management is very difficult and quite tedious(adj.
#Jprofiler find garbage collector algorithm windows#
In fact, there are many tools (such as the Microsoft Windows Task Manager, the System Monitor ActiveX Control, NuMega BoundsChecker from Compuware, and Rational’s Purify) that are specifically designed to help developers locate these types of bugs. With unmanaged programming, these two application bugs are worse than most othersīecause you usually can’t predict the consequences or the timing of them.įor other bugs, when you see your application misbehaving, you just fix the problem.īut these two bugs cause resource leaks (memory consumption) and object corruption (destabilization), making the application perform unpredictably. How many times have programmers attempted to use memory after it had already been freed?
#Jprofiler find garbage collector algorithm free#
How many times have programmers forgotten to free memory when it is no longer needed? This seemingly simple paradigm has been one of the major sources of programming errors.
The garbage collector is solely responsible for this step. I’ll address this topic in the section “The Dispose Pattern: Forcing an Object to Clean Up” later in this chapter.įree the memory.
向 猛扑，冲下 拆毁，拆卸) the state of a resource to clean up. Use the resource by accessing the type’s members (repeating as necessary). The type’s instance constructor is responsible for setting this initial state. Initialize the memory to set the initial state of the resource and to make the resource usable. Language’s newobj instruction, which is emitted when you use the new operator in C#. The following steps are required to access a resource:Īllocate memory for the type that represents the resource by calling the intermediate To use any of these resources requires memory to be allocated to represent the type.
In fact, in an object-oriented environment, every type identifies some resource available for a program’s use. Space, network connections, database resources, and so on. Understanding the Basics of Working in a Garbage-Collected PlatformĮvery program uses resources of one sort or another, be they files, memory buffers, screen
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