包含标签：Java 的文章
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Getting started with the spring boot framework and quick start
Six previous articles have been written in succession, mainly introducing the spring and spring MVC frameworks. In the…… -
Java network programming, socket programming, etc
Network programming refers to writing programs that run on multiple devices (computers), which are connected through t…… -
Detailed explanation of polymorphism concept and implementation principle in Java
I What is polymorphism? 1. Definition of polymorphism Allows different objects to respond to the same message. That is…… -
Java implements the function of exporting the object array through Excel
1、 Import the relevant jar packages. POM dependencies are as follows: 2、 Start code 1. If the export function is use…… -
Java wechat public platform development (8) multimedia message reply
When we replied to messages, we simply classified the replied messages, The above also describes how to reply to [ordi…… -
Explain the use of jdbctemplate in spring boot
This article describes how spring boot works with the jdbctemplate. Spring's database operations are deeply encapsulat…… -
Keywords in Java_ Power node Java college sorting
Common keywords in Java: Related to data type (10) Related to process control (13) If: indicates conditional judgment,…… -
Detailed explanation of Java abstract class definition and method instance
In the object-oriented concept, all objects are described by classes, but conversely, not all classes are used to desc…… -
Solution to the timeout (504) problem of exporting a large amount of data to excel in Java Web Development
In web development, it is common to query data from the database or cross system call interface to prepare Excel data,…… -
Java polymorphism (power node Java College)
What is polymorphism 1. Three characteristics of object-oriented: encapsulation, inheritance and polymorphism. From a …… -
Java binary operation (power node)
displacement Most operations in bit operations are shift left and shift right. In Java, this corresponds to the two op…… -
The difference between object-oriented and process oriented (power node)
Procedure oriented means that functions or methods are allowed to be defined in a program. You may wonder, is there a …… -
Operating MySQL database instances using JDBC template in spring boot
Recently, I was learning to use spring boot to connect to the database. Today, I learned to use JDBC template to opera…… -
Java operator power node
Java operators are divided into four categories: arithmetic operators, relational operators, logical operators and bit…… -
Bubble sorting of Java data structures and algorithms (power node Java College)
Bubble sorting (bubble sort) is a simple sorting algorithm. It repeatedly visits the sequence to be sorted, compares t…… -
Development of Java wechat public platform (1) access to wechat public platform
The previous articles have been talking about the preparation for the development of wechat public platform. From this…… -
Linked list of Java data structure (Java Institute of power nodes)
Single linked list: Insertfirst: insert a new link point in the header with a time complexity of O (1) Deletefirst: de…… -
Java keyword this (power node)
We usually know that this represents the current instance of the method calling this class when using the this keyword…… -
Array of Java data structures (Java Academy of power nodes)
What is the use of arrays When you need to arrange the 30 numbers in size, it is a good choice to store them in a data…… -
Detailed explanation of Java rewriting and overloading methods and differences
Override Rewriting is a subclass's rewriting of the implementation process of the accessible methods of the parent cla…… -
Java implements the function of finding matching text based on regular expression [classic example]
This example describes the function of finding matching text based on regular expression in Java. Share with you for y…… -
Hash table of Java data structure (organized by power node Java College)
Basic concepts Hash table (also known as hash table) is a data structure that is accessed directly according to key va…… -
Java wechat public platform development (9) keyword reply and customer service interface implementation
WeChat official account shows that WeChat has made two models for us. One is the developer mode (that is, the developm…… -
Java wechat public platform development (7) application for public platform test account
In the previous articles, I have been writing about the use of some basic interfaces. In this process, I have been usi…… -
Selection and sorting of Java data structures and algorithms (power node Java College)
Each time, the smallest (or largest) element is selected from the data elements to be sorted, and the order is placed …… -
The old saying of array initialization in Java
Array initialization can be divided into two types: 1. Static initialization 2. Dynamic initialization Static initiali…… -
Development of Java wechat public platform (2) receiving of wechat server post message body
In the last article, we described in detail how to connect our application server and wechat Tencent server, and final…… -
Detailed summary of TCP / UDP in Java
TCP / UDP: TCP is mainly a connection oriented protocol. It includes the functions of establishing and dismantling con…… -
Queue of Java data structure (power node Java College)
Definition of queue: A queue is a linear table that allows insertion at one end and deletion at the other end. (1) The…… -
In depth analysis of JDBC and driver for database connection in Java
In depth analysis of JDBC and driver for database connection in Java understand: When a Java application establishes a…… -
Java operator summary
The following is a summary of Java operators: 1、 Arithmetic operator Note: it is not recommended to use + + and C ins…… -
Development of Java wechat public platform (4) classification of reply messages and creation of entities
The classification of messages after receiving wechat server messages was mentioned earlier. At that time, they were m……