Java
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Single instance analysis of Java design pattern
This article describes the singleton pattern of Java design pattern. Share with you for your reference, as follows: Si…… -
Deeply analyze the dependency injection of beans in Java’s spring framework
Each Java based application has several objects that work together to show the content to the user as a working applic…… -
Explain the built-in exceptions of Java and the methods of creating custom exception subclasses
Built in abnormal subclass In the standard package Java Lang, Java defines several exception classes. Some of these ha…… -
Explain in detail the automatic loading method of beans under Java’s spring framework
The spring container can automatically assemble the relationship between collaborative beans, which helps to reduce th…… -
Introduction to some basic operation methods of multimedia files commonly used in Java
Play slides and animations An example is given to illustrate the method of playing slides and animation. [example] the…… -
Summary of search methods for substrings in Java strings
There are four methods to find the substring of a string in Java, as follows: 1. Int indexof (string STR): returns the…… -
Use collections. In Java collections How the sort method sorts the list (two methods)
The first is that the objects in the list implement the comparable interface, as follows: Test: The output results are…… -
How spring and redis implement data caching
1. Achieve goals Cache data through redis. (the purpose is not to speed up the query, but to reduce the burden on the …… -
ASP. Net to realize student management system
Specific controls and main attributes required by the student management system: 1. Login form Basic controls: Label (…… -
Spring AOP is configured in two ways
The first method: annotation configuration AOP annotation configuration AOP (implemented using AspectJ Class Library) …… -
The range of float type in Java and its conversion to hexadecimal
Float occupies 4 bytes, which is the same as int, that is, 32bit. The first bit represents a symbol, 0 represents a po…… -
Use JDBC API to operate database in the program of spring framework of Java
At the same time, with the work of using ordinary old JDBC with the database, it becomes cumbersome to write unnecessa…… -
Java implementation of a simple calculator class instance
This article describes a simple calculator class implemented in Java. Share with you for your reference. The details a…… -
Explain in detail the bean injection collection in Java’s spring framework
Use the value attribute and the ref attribute of the < property > tag to refer to the object in your bean config…… -
Introduction to java socket network programming
Network application modes mainly include: WWW (World Wide Web) is an information browsing system based on client / ser…… -
Analyze the implementation principle and application scenario of blocking queue in Java
Some common queues we usually use are non blocking queues, such as PriorityQueue LinkedList (LinkedList is a two-way l…… -
Method of deploying EJB components of Java on server side
What is EJB? EJB is a Java enterprise bean and a Java EE service-side enterprise component model. Its design goal and …… -
Java must learn and be able to network programming
1、 Basic concepts of network First, clarify a concept: network programming= Website programming and network programmi…… -
A brief analysis of factory method pattern examples of Java design patterns
This paper describes the factory method pattern of Java design pattern. Share with you for your reference, as follows:…… -
Java simple calculator programming
Write an application program of analog calculator. Use the panel and grid layout to add a text box, 10 number buttons …… -
Example analysis of spring database connection method in java development
This paper describes the spring database connection method developed by Java. Share with you for your reference, as fo…… -
Operating excel table with Java
Recently, the teacher assigned a task to simply add, delete, change and check the excel file with the suffix xlsx in J…… -
Simple understanding of Java abstract classes
In the top-down inheritance hierarchy, the classes at the upper level are more generic and may even be more abstract. …… -
Talk about the storage mode of integer type (short int long) in Java
There are four integer types in Java, namely byte short int long, where byte has only one byte 0 or 1, which will not …… -
Java class definition and execution sequence learning tutorial
Class must be defined before it can be used. Class is a template for creating objects. Creating objects is also called…… -
Detailed explanation of java file and directory management and input and output related operations
File and directory management in Java Directory is a special mechanism for managing files. Saving similar files in the…… -
This is how to arrange a Java method to run for 1 second?
In my method, I want to call another method that will run in 1 second This is what I have final Timer timer = new Time…… -
Java – aerospike: how to get the record key?
The aerospike client has a scanall method to read all rows in its store ScanPolicy policy = new ScanPolicy(); policy.c…… -
Short circuit evaluation relying on Java (coding style)
Is there a good coding style that relies heavily on short circuits in Boolean evaluation? I know who likes it For exam…… -
Java – reference to eclipse lookup method
I want to find all callers of the method "get" of the following class: package com.zzz.zzz.zzz.services; public final…… -
Java – does the member interface in the class declaration imply public?
code I have a class with a member interface: package com.example.withinterface; public class SomeClass { interfa…… -
Java – how to clear errors in eclipse?
When using ADT for solar eclipse, I will encounter errors even if the problematic code is deleted In fact, even if I d……