Java
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Addition, subtraction, multiplication and division, size comparison and precautions of BigDecimal in Java
preface To borrow from the book effactive Java, the main design goal of float and double types is for scientific calcu…… -
Use of cyclicbarrier for Java Concurrent instances
Recently, I've been integrating concurrency. By the way, I'll write some examples of Java concurrency to share with yo…… -
Spring injects instances of attributes based on the XML configuration file P namespace
The class code to generate objects and inject attributes through namespaces is as follows: The XML configuration file …… -
Introduction to flowlayout of Java swing component layout manager
This article describes the flowlayout of the Java swing component layout manager with examples. It is shared for your …… -
Java get time difference (days difference, small time difference, minute difference) code example
There are many blog posts on the Internet about how to get the time difference. I have a look. Most of them are implem…… -
Spring integrated redis detailed code example
This article introduces an example of spring integrating redis from the beginning. Eclipse engineering structure The f…… -
Java implementation of queue data structure code
What is queue structure A linear structure with a special algorithm [can only be deleted at one end (team head) and in…… -
Jedis explains the five types of operation codes of redis in detail
This article mainly describes jedis's five types of operations on redis: string, list, hash, set and ordered set. Jedi…… -
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…… -
Java object initialization code
This paper mainly records the initialization process of objects in Java, including the initialization of instance vari…… -
Parameter meaning and usage example of setdefaultcloseoperation in Java swing JFrame framework class
This article describes the meaning and usage of the setdefaultcloseoperation parameter in the Java swing JFrame framew…… -
How to use rxjava function operators
Rxjava function is very easy to use. Some operators inside are very convenient. Rxjava includes: observed, observer, s…… -
Usage example of JTable renderer and editor in Java Swing
This article describes the usage of JTable renderer and editor in Java swing. Share with you for your reference, as fo…… -
Java implementation of double linked list to exchange any two nodes with each other
This paper describes the method of exchanging any two nodes in a double linked list in Java. Share with you for your r…… -
What kind of Java exceptions inherit, and the difference between runtime exceptions and general exceptions (detailed explanation)
1、 Basic concepts Throwable is the root of all exceptions, Java lang.Throwable Error is an error, Java lang.Error Exc…… -
An example of integrating hibernate on the basis of existing spring
1. Import hibernate package and spring package Hibernate 3, hibernate-jpa-2.0-api -, required packages, log4j, log4j c…… -
Code example of inheritance problem in Java programming
Classroom exercises: C in package bzu Aadefine a vehicle class in: 1. Attribute - capacity 2. Method (1) Parameterless…… -
Principle and implementation of Java Multithread timer
preface The timing / scheduling function is widely used in various fields of Java applications. For example, at the we……