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>Like and see again, unlimited power. Hello world:) wechat search Program ape Alan 」. > > this paper Github.com/niumoo/JavaNotes and Unread code blog Has been included, there are many knowledge points and series of articles. Java 17 was officially released on September 14, 2021. Java 17 is a long-term support (LTS) version. This ...

Interview question: what is your understanding of generics? Interview investigation point Objective: to understand the job seekers' mastery of the basic knowledge of Java. Scope of investigation: Java programmers working for 1-3 years. background knowledge Generics in Java is a new feature introduced by JDK5. It ...

java annotations are easy to use Annotations have been used throughout the development process, and today I finally want to look at the implementation of annotations.Drive directly // Custom Notes // Annotation has been implemented here // Note that comments are only valid in the form of reflection calls @Retention(va ...

1. What is a deadlock? What's the harm? 1.1 what is deadlock? Occurs in concurrency [mutually exclusive]: when two (or more) threads (or processes) hold each other's resources required by each other, but do not actively release them, all of them can't move forward, resulting in endless blocking o ...

Overall structure For spring AOP Proxy objects, the main task is to create a ProxyFactory, and then create AopProxyFactory to create AopProxy, and then use AopProxy to create the corresponding Proxy. The method call in the Proxy class Proxy created is to call MethodInvocation, which consists of Method ...

originate stackoverflow Last question Why it is faster to deal with an ordered array than to deal with an array without it , there are some discussions in the original text. Let's first reproduce the results and then explain why! We have the following two sections of code. The code looks similar, but in fact, the logic is the same. They count t ...

1, What is the role of AOP Through AOP, we can isolate all parts of the business logic, so as to reduce the coupling between various modules. At the same time, we can add new functions to the backbone functions without modifying the source code Underlying principle Dynamic proxy used Dynamic agen ...

Solution to the problem that PhpStorm64 cannot be started It has been several years since CSDN was used, but I have never tried to write my own content, just as IDE problems cannot be solved, I write blog 😅 Accumulate my poor writing experience. As a phper, PhpStorm IDE is undoubtedly the most powerf ...

This article will explain the agent mode through its concept, characteristics, and finally realize the use scenarios of each agent mode through coding. What is agent mode Agent pattern is a programming design pattern in Java language. There are two important roles: the principal class and the agent class. The agent class can call the delegate c ...

I java.lang Class in package does not need to import package 1. Features: 　　 java.lang Package is the core of Java language, which provides the basic classes in Java. Including basic Object Class, Class class, String Class, basic type wrapper Class, basic math Class and other basic classes. 2. 8 basic types of initialization default va ...