Java
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Super detailed spring boot introductory notes (summary)
1. Getting started with spring boot Spring boot is a relatively new project in the spring community. The purpose of th…… -
Simple QQ login interface and button color setting code of Java code block
This article mainly shares the relevant codes about the simple QQ login interface and button color setting for referen…… -
Spring boot configures scheduled tasks and @ scheduled annotations of scheduled tasks through @ scheduled
Serial timing task Configuration files need to be added for parallel scheduled tasks Because the purpose of spring boo…… -
Deeply understand the implementation principle of Java programming thread pool
In the previous article, we created a thread when using threads, which is very easy to implement, but there will be a …… -
Observer model of java learning notes
This article shares the observer pattern of Java design pattern for your reference. The specific contents are as follo…… -
Detailed explanation of spring cloud zuul retry mechanism
brief introduction The version of spring cloud in this article is (Dalston. Sr4). The details are as follows: Turn on …… -
Java programming NBA game interface call example code
Step 1: find the interface provided by others. For example, here I choose the interface provided by aggregate data Ste…… -
Efficiency comparison of four methods of Java array replication
There are many aspects about the basic knowledge of arrays, such as initialization, reference, traversal, one-dimensio…… -
Example code of treemap sorting in Java
1. Define the sorting method of treemap Use the comparator object as a parameter It should be noted that the sorting m…… -
Understanding dependency injection and control inversion in spring
Anyone who has studied the spring framework must have heard of the two concepts of IOC (inversion of control) and di (…… -
Detailed explanation of array copy (clone and array copy) code in Java
The copy of Java array is passed by reference, not the value of other languages. 1、clone protectedObjectclone() Throw…… -
Summary and explanation of display lock and built-in lock of Java multithreading
Summarize the display lock and built-in lock of multithreading Java has built-in locks implemented through synchronize…… -
Explain in detail how to transform an existing project into a spring boot project
Quickly create a springboot web project Take IntelliJ idea as an example: 1. First create a project, select spring ini…… -
Spring uses the configuration file and @ value to inject attribute value code
1 simple attribute value injection 2 inject complex attribute values using util tag summary The above is all about the…… -
Detailed explanation of Java programming post data request and receiving code
In the past two days, the HTTP server has made requests. After the client post data to the server, the server passes r…… -
On the difference between two assignment methods of string in Java
Similar to ordinary objects, create string objects through new. String str = new String("Hello"); The memory diagram i…… -
Java Multithread synchronizer code explanation
Synchronizer Solutions are provided for each specific synchronization problem. Synchronizers are objects that enable t…… -
Java import excel ideas and code examples
Export is to convert list to excel (listtoexcel) Import is to convert Excel to list (Excel to list) 1、 Train of thoug…… -
Java (swing) + MySQL student information management system source code
This example shares the source code of student information management system implemented in Java for your reference. T…… -
Introduction to spring bean inheritance and automatic assembly
Basic concepts of spring bean As we all know, spring is a large factory, and the bean in the spring container is the p…… -
Explain how to use spring boot admin to monitor spring cloud applications
The monitoring interfaces provided by spring boot, such as: / health, / info, etc. in fact, in addition to the previou…… -
Three methods and examples of Java multithreading interrupt mechanism
summary When explaining the methods in the thread class, the interrupt (), interrupted (), isinterrupted () methods we…… -
Java student information management system design (database version)
This example shares the database version of java student information management system for your reference. The specifi…… -
Java swing component check box jcheckbox usage example
This article provides an example of a java swing component check box JCheck@R_38_2419 @Usage. Share with you for your …… -
Java programming queue data structure code example
Queue is a special linear table, which can only be deleted at the front end of the table and inserted at the back end …… -
Mutual call code example of Java constructor
In Java, when you create multiple constructors for a class, sometimes you want to call another constructor in a constr…… -
Sorting and sharing of interview questions related to struts 2
preface As we all know, struts 2 is a very excellent open source framework. We can use the struts 2 framework for deve…… -
Java classic problem: even a string is a loopback displacement to each other
This time I bring you questions that often appear in the interview of Java programmers who judge whether even a string…… -
Realization of condition control thread communication in Java programming
Method of controlling thread communication in Java 1. Traditional method: use the synchronized keyword to ensure synch…… -
Detailed explanation of the cooperative use of stream and functional interface in Java 8
preface Java 8 provides a set of APIs called stream for processing traversable streaming data. The design of stream AP…… -
Detailed explanation of two methods of adding background pictures to forms by Java Swing
This article describes two methods of adding background pictures to forms by Java swing. Share with you for your refer…… -
The Java components SmartUpload and fileUpload implement the file upload function
This paper shares the specific code of Java component to realize the file upload function for your reference. The spec……