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preface The difference between ArrayList and LinkedList is often mentioned. A clear understanding of the difference between them is helpful to consolidate their basic development skills. Choosing the right data structure in the right place can help them write more high-quality code. Combined with their source code, this paper analyzes th ...

Close reading of the source code is the column of appreciating the source code under the horse soldier education. The purpose of our appreciation of the source code is not to show off our skills, but to understand the author's design ideas and extract the essence, so as to write more excellent code. On the other hand, you can also give extra po ...

Continued from template mode 1 of Glide design mode The list of known implementation classes of LifecycleListener is as follows: AppWidgetTargetBaseTargetBitmapImageViewTargetBitmapThumbnailImageViewTargetCustomTargetCustomViewTargetDrawableImageViewTargetDrawableThumbnailImageViewTargetImageViewTargetNotificationTargetPreloadTargetRequestFut ...

What is AQS? In Lock, a synchronization queue AQS is used. Its full name is AbstractQueuedSynchronizer. It is a synchronization tool and the core component used by Lock to realize thread synchronization. java. util. Most of the tools in concurrent are implemented through AQS. The core idea of AQS is that if the requested shared resource is idl ...

View SringCloud Gateway Official documents , the working principle of Gateway is shown in the figure below:     Clients make requests to Spring Cloud Gateway. If the Gateway Handler Mapping determines that a request matches a route, it is sent to the Gateway Web Handler. This handler runs the request through a filter chain that is speci ...

ArrayList inherits the following architecture: public class ArrayList<E> extends AbstractList<E> implements List<E>, RandomAccess, Cloneable, java.io.Serializable It mainly inherits the AbstractList class and implements the List interface, and implements the Cloneable and Serializable interfaces, so that ArrayList h ...

In the previous chapter, we analyzed the creation and initialization of NioServerSocketChaennl in Netty. In this chapter, we will continue to analyze the analysis of NioServerSocketChannel. NioServerSocketChannel is a channel object officially encapsulated by Netty, which is intended to replace or package the native SocketChannel object of JDK, ...

ArrayList set is one of the most commonly used sets in daily development. It is a linear structure. Its bottom layer is implemented by array, which is equivalent to a dynamic array. Let's take a look at how some common methods of ArrayList are implemented. ArrayList inheritance relationship Interfaces and classes implemented by inheri ...

IOC of handwritten spin framework core source code 1. Use Spring framework 2. Use reflection mechanism IOC controls the permission of reverse of controller to create objects. The objects needed by Java programmers are no longer created by programmers themselves, but are created by IOC containers Simulate the use of IOC containers 1. Use POM ...

Introduction Hello, hello! I am mumuzi ~ today is another beautiful day! Approaching the Spring Festival, many people who work in other places all year round are ready to go home for the new year. Although the epidemic has been controlled, everyone All need the best protection Ha! We should always start to prevent the epidemic! Correctly we ...