Go language slice advanced

Introduction: There is such a problem when learning the slicing type of go language. First, in go, the slice type variable actually stores an address, which is the address of the first element of the underlying array it references, or the address of the array. (I) Code 1: package main import "fmt" func change(a []int) { //Here is the add ...

Posted by novice4eva on Thu, 04 Nov 2021 14:04:46 -0700

Loaders such as JVM s

Class lifecycle The first five steps together are the traditional whole process of class loading Among them, 2, 3 and 4 are collectively referred to as the link stage Class loads and initializes When the virtual machine is started, the main class specified by the user is initialized, which is the class where the main method is sta ...

Posted by intellivision on Thu, 04 Nov 2021 08:05:42 -0700

JNI references to Java objects

reference: JNI learning notes - local and global references          JNI exposes the class instances and array types of the Java layer as opaque references. The code of the native layer will access this opaque reference through the functions provided by JNI. There are different kinds of references in JN ...

Posted by Yaak on Thu, 04 Nov 2021 06:59:18 -0700

Junior students are dissatisfied with the meituan internship. They switch to the headlines and find out six customs clearance experience, Java post

Today, I'd like to share with you the interview process of a friend who went to today's headlines (a junior undergraduate student who is currently interning in meituan). The following is his journey, which is divided into six links: If you want to climb the peak, don't use the rainbow as a ladder. 1. Self introduction After a brief ...

Posted by sKunKbad on Thu, 04 Nov 2021 03:57:16 -0700

C + + classes and objects

A change of blogger (thanks for reading): at first, blogging was just a whim. It was just to help review the knowledge points. I'm glad that my blog can be liked by everyone. However, recently, I deeply feel that writing a long blog is really too tired, and I have received a lot of feedback from fans during this period. It is suggested to pick ...

Posted by FrOzeN on Wed, 03 Nov 2021 23:23:47 -0700

Mybatis basic module explanation and strengthening core principles

Basic support layer The basic support layer is located at the bottom of the overall architecture of MyBatis, supports the core processing layer of MyBatis, and is the cornerstone of the whole framework. Several general and independent modules are encapsulated in the basic support layer. It not only provides basic support for MyBatis, but also ...

Posted by cahamilton on Wed, 03 Nov 2021 21:01:17 -0700

Principles of Spring (15) -- implementation of Spring AOP source code

@TOC #Spring collection Record every step of the program___ auth:huf Yesterday, careful students have found a problem; In Spring 5.X or SpringBoot 2.x, the CGLIB interface is used regardless of whether the class implements the interface In Spring 5.X, Spring uses the CGLIB interface by default. In Spring 4, the JDK proxy is used, but after 5. ...

Posted by mlavwilson on Wed, 03 Nov 2021 19:51:54 -0700

Java knowledge combing 03 | detailed explanation of internal classes

1, Definition of inner class You can put the definition of one class inside the definition of another class, which is the inner class. 2, Type of inner class In Java, inner classes are mainly divided into member inner classes, local inner classes, anonymous inner classes and static inner classes. 1. Member internal class Member interna ...

Posted by empnorton on Wed, 03 Nov 2021 13:38:15 -0700

2021-10-29 Compilation Principle Experiment 2 -- lexical analysis

1, Experimental requirements Based on the previous experiment, write a program to analyze the source code written in c-language and print the syntax tree. The main analysis tool used in the experiment is Bison, which uses C language to complete the program. Basic Requirements a. Parsing the program and outputting the parsing results; b. B ...

Posted by Arrow on Wed, 03 Nov 2021 11:17:44 -0700

Understanding java class loading mechanism

I'm going to move most of this article. Don't scold me Reference link: Deep understanding of Java classloader Java class loading mechanism Deep understanding of Java class loading Class class No organization, just keep records When a Java program runs, the system always identifies all objects by the so-called runtime type. Thi ...

Posted by GaryC on Wed, 03 Nov 2021 10:56:50 -0700