1. What is the class loading mechanism? The relationship between classes and class loaders 2. What is the Parental Appointment Model? Why do you do that? How is the parent delegation model implemented? 3. How to destroy the parental delegation model? 4.How is Tomcat’s class loader designed? How does Tomcat implement its own unique class […]
Tag: delegation
JavaScriptEvent monitoring, event delegation and callback functions
1. Event monitoring on method: box.onclick = function(){}, but this method will be overwritten. You can unbind the event by directly overwriting it with null. addEventListener is a method specifically used by DOM objects to add event listening. Its first two parameters are [event type] and [event callback], and the third parameter of addEventListener is […]
Java class loading mechanism (class loader, parent delegation model, hot deployment example)
Java class loading mechanism class loader Class loader execution flow Types of class loaders Relationships between loaders Main method of ClassLoader The difference between Class.forName() and ClassLoader.loadClass() Parental delegation model Parental delegation class loading process Advantages and Disadvantages Simple example of hot deployment Class loader Execution process of class loader Types of class loaders AppClassLoader […]
[C# Programming] Delegation, lambda expressions and events
Table of Contents 1. Delegate and lambda expression 1.1 Overview of delegation 1.2 Declaration of delegate type 1.3 Instantiation of delegates 1.4 Internal mechanism of delegation 1.5 Lambda expressions 1.6 Statement lambda 1.7 Expression lambda 1.8 Lambda expression 1.9 General delegation 1.10 Delegates have no structural equality 1.11 Internal mechanism of Lambda expressions and anonymous […]
Revealing the secrets of Java class loading mechanism and parent delegation: knowing why, dancing in the world of code
Article directory load verify load Continue to verify Metadata validation Bytecode verification Symbol reference verification Preparation Phase Analysis Symbolic references and direct references Static linking and dynamic linking Initialization Use and uninstall I am Liao Zhiwei, a Java development engineer, high-quality creator in the Java field, CSDN blog expert, 51CTO expert blogger, Alibaba Cloud expert […]
An in-depth analysis of the JVM: the principles and practice of the parent delegation mechanism
Parent delegation mechanism introduction Overview process working principle: Advantage Custom class loader Practical application Home page portal: Teleport Introduction In the Java Virtual Machine (JVM), class loading is an important concept, and the parent delegation mechanism is one of the cores of class loading. This article will delve into the parent delegation mechanism and understand […]
Parental Delegation Mechanism and Breaking the Parental Delegation Mechanism
Parent delegation mechanism Check whether the class with the specified name has been loaded. If it has been loaded, there is no need to load it again and return directly. If it has not been loaded, the class will first entrust the parent loader to find the target class. If it cannot find it, it […]
difference between event delegation and event binding in js
Gathering sand into a tower, making a little progress every day ? Column introduction ?Event Binding ?Event Delegation ? Select event binding or event delegation ?Write at the end ? Column introduction Introduction to the front-end journey: Exploring the wonderful world of web development Remember to click on the link above or on the right […]
Clever use of Kotlin attribute delegation – point reporting encapsulation
Overview In actual project development, there will definitely be a need for reporting. The reporting method may be different for each project. Some are automated and do not require manual reporting by developers. Some require developers to report by themselves. In one of our business projects, because we adopted a business-driven iterative approach, there were […]
JVM class loading and parent delegation mechanism
When we use the java command to run the main function of a certain class to start the program, we first need to load the class into the JVM through the class loader. This article mainly explains the class loading mechanism and its specific implementation of the parent delegation mode. 1. Class loading mechanism Class […]