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Supplement of the array Note: Array elements must be constant constant expression array must know in advance the size of the dynamic array - "open heap space Ten piglets weighed Array reverse...

One,TomcatServer (very familiar)   1、WebDevelopment Overview javaSE: javaEE:13Species javaME: JavaEEspecification: 13Generic term for this technology.Servlet/Jsp  JDBC  JNDI  JTA.....

6 Function 6.1 Overview Function: Encapsulate a frequently used code to reduce duplication of code A larger program is generally divided into several program blocks, and each module implements a speci...

Java Notes 08 The root class of all objects in Java ===>java.lang.object abnormal The class contained in the exception: Throwable (ancestor), inherited from: Error ==> There is an internal error...

Section 1: Overview of Java Collection Framework 1.1 Concept description Collections and arrays are performed on multiple datastorageOperation structure, referred to as Java container. Description: Th...

Video study notes Getting started with vue-cli Vue-cli To develop large projects, you need to use Vue CLI2 Scaffolding can help us complete the code directory structure, project structure and deployme...

Java study notes-array   definition When defining data, most of the data is stored through variables. But when a large amount of data appears in the program, it becomes complicated to define vari...

3. Update documentation 4. Delete documents...

Flask study notes 08 ORM notes Use the SQL native statement in the actual project to prepare the belonging, then you should use ORM. Its advantage is that ease of use, flexible, and high performance. ...

1.java is an object-oriented language 2. Object: The only thing that exists in reality; 3. Class: The extraction of common attributes and behaviors of certain types of things, the concept of abstracti...