what garbage collection

Read notes: · Required knowledgeThis article is written for middle and senior as developers and requires readers to have a moderate understanding of the concept of object-oriented programming and as3 development. · Reader level:Moderate level. ·

1. Core Idea of the garbage collection AlgorithmThe Java language sets up a garbage collection mechanism to track the objects in use and discover and recycle objects that are no longer used (referenced. This mechanism can effectively prevent two

What is garbage in a Java program? What is this rubbish and how is it recycled? Why is it recycled? What happens when you don't recycle? These are the questions we want to solve in this blog!As we all know, in C, as programmers, you have to consider

First, garbage collection1.1javascript garbage collection mechanism:Automatic garbage collection, the execution environment is responsible for managing the memory used during code execution. In languages such as C and C + +, a basic task for

Java garbage collection (garbage COLLECTION,GC)Java supports dynamic memory allocation, garbage collection, and C + + is not supported. I guess that's one of the reasons why Java is born out of C + +.History of the GCThe history of GC is much older

Many C or C + + programmers scoff at garbage collection, thinking that garbage collection is certainly less efficient than managing dynamic memory on their own, and that the program pauses when recycled, and that if you control memory management,

In the company often hear Daniel talk about memory leak God horse, often amazing unceasingly, recent energy mainly used in the web development, read the "JavaScript Advanced Program Design" (the title is very scary, the actual author writes

Overview The garbage collection of the current commercial virtual machines uses the "generational collection" (generational Collection) algorithm, which has no new idea but divides the memory into several pieces according to the different life

Example of the python garbage collection mechanism, python garbage collection Example of the python garbage collection mechanism For more details about pythonn garbage collection, here is a rough summary. In Python, reference counting is used most

One, mark-clear algorithm1) Mark-Clear algorithmThe most basic collection algorithm is the "mark-clear" (mark-sweep) algorithm, like its name, the algorithm is divided into "mark" and "clear" two stages: first mark out all the objects that need to

The bottleneck of garbage collection The traditional method of garbage collection has reduced the burden of recycling to a minimum and pushed the throughput of the application to a certain limit. But one of the problems he can't solve is the

Although I am also a PHP learner, but did not really understand the PHP internal garbage collection process, just in our code with unset,null,mysql_close,__destruct and so on some functions to release the object to prevent memory overflow, so online

Before the Java language comes out, everyone is desperately writing C or C + + programs, and there is a great contradiction, C + + and other languages to create objects to continue to open up space, do not need to constantly release the control, not

The fundamental concept of the JVM's generational garbage collection strategy is that the policy is generational in the JVM's garbage collection strategy because of the different life cycles of the objects. This paper introduces the target of

This article is from your blog. The original Article is titled JVM tuning Summary (V)-generation Garbage Collection details 1.ArticleIt summarizes the reasons why JVM garbage collection policies should be divided into generations, how to divide the

First, garbage collection mechanism-GCJavaScript has an automatic garbage collection mechanism (Gc:garbage collecation), which means that the execution environment is responsible for managing the memory used during code execution.Principle: The

English Original: Jeffrey RichterCompilation: Zhao Yu OpenLinks: http://www.cnblogs.com/yukaizhao/archive/2011/11/23/dot_net_GC_1.htmlWith the garbage collection mechanism in the Microsoft.NET CLR, programmers do not need to pay attention to when to

Garbage collection mechanism GC knowledge summary and discussion on how to make good use of GC, gcGarbage collection mechanism GC knowledge further summary and talk about how to make good use of gc I. Why GC? Generally, an application can perform

How the garbage collector works:In previous programming languages, it was expensive to allocate objects on the heap, so the reader would naturally feel that it was very expensive to allocate all objects in Java (except the base type) on the heap.

Original: Learn JavaScript from the beginning (10)--garbage collectionFirst, garbage collection1.1javascript garbage collection mechanism:Automatic garbage collection, the execution environment is responsible for managing the memory used during code