包含标签：Java 的文章
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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…… -
Java connects to MySQL database through JDBC
JDBC (Java Data Base Connectivity) is a Java API used to execute SQL statements. It can provide unified access to a va…… -
Summary of database connection based on JDBC in java development
This paper describes the method of connecting database based on JDBC in java development. Share with you for your refe…… -
How to use the super keyword and instanceof operator in Java
Java super keyword super keyword is similar to this keyword. This is used to represent the instance of the current cla…… -
ASP. Net catering management system production code sharing
Page introduction display: The above is a picture introduction of the production of the catering management system, fo…… -
This paper introduces the architecture, installation and configuration of Java spring framework
Architecture spring has the potential to become a one-stop service for all enterprise applications. However, spring is…… -
Analysis of adding, deleting, updating and finding examples of JDBC operation database
This paper describes the methods of adding, deleting, updating and searching JDBC operation database. Share with you f…… -
Overload of methods that Java must learn and learn
1、 Method overload The method name is the same, but the parameters are different. This is overload. The so-called par…… -
Explain in detail the definition and life cycle of beans in Java’s spring framework
The definition of beans forms the backbone of the application. The objects managed by the spring IOC container are cal…… -
Java most complete file operation example summary
This example summarizes java file operations. Share with you for your reference, as follows: 1. Create a folder 2. Cre…… -
Introduction to Java method overloading and variable scope
The max method used above is only applicable to int data. But what if you want to get the maximum value of two floatin…… -
Java – hibernate many to one mapping and different column numbers
Hi, I have two tables as follows Table 1: +-------------------+ | ID LOB col1 col2 | +-------------------…… -
Javafx-2 – JavaFX scrollpane border and background
I have some questions about the default background and border of scrollpane setStyle("-fx-background-color:blue; -fx-b…… -
Java – scroll large canvas
I need some help to understand the basics of scrolling items drawn on the canvas in Android Suppose I want to create a…… -
Java – use {} after semicolon
See English answers > anonymous code blocks in java7 MenuItem menu1 = menu.add(0,"Item 1"); { menu1.setIcon(R.dra…… -
Complete list of default java system properties [closed]
Do all system properties have references or complete documentation for a specific JRE set? I don't mean the system pro…… -
Java – pylucene error and icetea / JDK / JRE
I use the latest pylucene-4.9 0.0 followed the installation instructor http://bendemott.blogspot.de/2013/11/installing……