1, Use of enumeration classes
1. Description of enumeration class:
Understanding of enumeration class: there are only a limited number of objects in the class, which are certain. We call this class an enumeration class
Enumeration classes are strongly recommended when you need to define a set of constants
Implementation of enumerat ...
Posted by surajkandukuri on Sun, 26 Apr 2020 07:02:31 +0200
1, String class
Use of java.lang.String class
String: string, represented by a pair of "" causes.
String declared final, cannot be inherited
String implements the Serializable interface: indicates that strings support serialization. Implemented the compatible interface: indicates that string can compare sizes ...
Posted by schajee on Tue, 21 Apr 2020 14:51:29 +0200
Although POJO and aar can publish WebService, they are not the most commonly used methods.
The common methods are as follows
1. Create a web Project (New - > other - > Web - > dynamic web Project)
2. Copy the jar package in axis2-1.7.9\lib to WebContent/WEB-INF/lib /
3. Create services folder under Web ...
Posted by mkoga on Mon, 25 Nov 2019 17:52:58 +0100
The annotation method is the same as the configuration file method, so there are different points written here and the configuration file method.
Profile to create a connection for springMVC: Portal
The web.xml file is:
<?xml version="1.0" encoding="UTF-8"?>
Posted by phpScott on Wed, 13 Nov 2019 16:26:54 +0100
Handwritten SpringMVC Framework
Smell the rose and have a tiger in the heart
Background: Spring must have been heard of by everyone, and Spring Boot and Spring Cloud frameworks may be more popular now; however, as a web (presentation) tier framework that implements the MVC design pattern, Spring MVC's high development efficiency and high perf ...
Posted by gmccague on Sat, 09 Nov 2019 19:41:16 +0100
Introduction to Spring MVC
Spring MVC is becoming more and more popular as an emerging presentation layer framework after Struts 2. It is believed that javaee developers should have heard a little about Spring MVC even if they have not used it. I try to unveil the mystery of Spring MVC one by one throug ...
Posted by duncanmaclean on Sun, 25 Aug 2019 11:58:56 +0200
What is Browser Cache
The browser stores the recently requested documents on the user's disk. When the visitor requests the page again, the browser can display the documents from the local disk, which is the browser cache.
Why use browser caching?
For browser caching, I believe everyone is familiar with ...
Posted by sarahk on Mon, 22 Jul 2019 07:43:30 +0200
02_Retrospective Index and Baidu Search
Review the Layering and Technology of web Applications
I) Retrospective Index
Definition: An index is a structure that sorts the values of one or more columns in a database table
OBJECTIVE: To speed up the query of records in database tables
Features: Exchange space for time, i ...
Posted by craigh on Thu, 11 Jul 2019 21:15:19 +0200
Common Basic Controlsjavax.swing.JButtonIn graphical interface programs, buttons are probably one of the most used controls. The JButton class in the javax.swing package is used to create buttons. As shown in Table 1, it is a common construction method for JButton. javax.swing.JLabelJLabel control is one of the simplest Swing components us ...
Posted by herrin on Tue, 04 Jun 2019 20:24:29 +0200
Original address: https://www.cloudcrossing.xyz/post/43/
1 Map set
1.1 Overview of Map Collections
Map is an object that maps keys and values one by one. It can get values by keys. A mapping cannot contain duplicate keys; each key can be mapped to at most one value.
What's the difference between Map and Collection?
A: Map stores e ...
Posted by atlanta on Sat, 11 May 2019 16:16:49 +0200