包含标签：Java 的文章
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Java IO data operation stream, object serialization, compressed stream code parsing
Data operation flow In the IO package, two platform independent data operation flows are provided: Data input stream D…… -
Simple design of Java contact management system
This example shares the graduation design of Java contact management system for your reference. The specific contents …… -
Analysis of HashMap usage from the perspective of Java source code
―HashMap― Advantages: super fast query speed and time complexity can reach o (1). The data structure is HashMap. Dynam…… -
Simple implementation of Java upload image file function
Generally speaking, there are two ways to upload pictures. One is to write picture files to the database, and the othe…… -
Photo album management system (Java form + XML database storage)
Upload, download and management technology of functional files: 1 Using XML as a database to store information (Dom4j,…… -
Pinyin word segmentation using Pinyin 4J
Use Maven to import related jars Create pinyin4jutil The above method of Pinyin word segmentation using pinyin4j is al…… -
Java object stream instance code
The date object and vector object are written to a file, then read from the file and output to the screen Object input…… -
Java uses es query example code
As we all know, elastic search is short for ES, which is a Lucene based search server. It provides a distributed multi…… -
Explain the construction of restful API of spring boot in detail
The previous article explained how to access the database through the integration of spring boot with jdbctemplate, JP…… -
Spring boot actual database operation example code
In the previous article, I explained the basic principle and use of spring boot through a simple HelloWorld program. T…… -
C language student achievement management system
Design a student achievement management system to realize the dynamic management of student achievement, and realize t…… -
Method for realizing reverse order output of words in English sentences by Java
This paper gives an example of how Java can output words in reverse order in English sentences. Share with you for you…… -
Java thread dump analysis tool jstack parsing and usage scenario
Jstack is used to print out the Java stack information of a given java process ID or core file or remote debugging ser…… -
Example of encapsulated class code in Java language
In the object-oriented programming method, encapsulation refers to a method of packaging and hiding the implementation…… -
IO stream parsing and code examples in Java
IO stream There are two types of IO streams in Java: byte stream and character stream. As the name suggests, byte stre…… -
Analysis of differences between HashSet and TreeSet
I problem 1. How HashSet and TreeSet use hashcode() and equal() methods 2. When and why should the objects in treemap …… -
Java uploads excel content to MySQL instance code
MySQL table column name num1, num2, Num3, num4, num5, num6 table name Excel Upload method Testentity is the entity cla…… -
String. In Java Function example and source code of trim() function
Function of trim(): remove the spaces at the beginning and end of the string. Execution results: a: hello world,false …… -
Java implementation extracts non duplicate integer instances
Title Description Enter an int integer and return a new integer without duplicate numbers in the reading order from ri…… -
Java file renaming and moving operation example code
Renaming and moving files Sometimes, in order to uniformly access and manage files, you need to rename the files and m…… -
Detailed explanation of integrated configuration of spring web MVC and Hibernate
There are many articles about the integration of spring and hibernate on the Internet. However, because those articles…… -
Brief introduction to spring IO platform
The spring IO platform framework is simply a version number compatible system, which organizes compatible versions of …… -
Introduction to XPath in Java programming
1、 Use Dom4j to support XPath operations - an element can be directly obtained without layer by layer parsing How to …… -
On the method of spring boot rabbitmq dynamic management
When using spring boot + rabbitmq, you may want to temporarily disable / enable listening or modify the number of list…… -
Detailed summary of Java Network IO programming (bio, NiO and AIO all contain complete example codes)
This article will introduce the traditional bio to NiO and then to AIO from shallow to deep, and attach a complete cod…… -
Four common ways and usage analysis of traversing map collection in Java
This article describes four common ways and usages of traversing map collection in Java. Share with you for your refer…… -
Java generates a jar package and a single process running instance
Java file package jar run Effective steps: 1. CMD to the current directory (for example, the directory where the defau…… -
Preliminary understanding of JavaFX
Introduction to JavaFX When we mention Java's graphical interface library, we usually hear swing or older AWT, includi…… -
Servlet based execution principle and life cycle (comprehensive analysis)
1、 Let's start with the servlet container: the most familiar servlet container is Tomcat. How does the servlet contai…… -
Implementation method of log4j configuring log printing time zone
Og4j version: 2.8 one There is a problem when developing desktop programs. The log time in idea and the running log ti…… -
Analysis of Java deep replication function and usage examples
This article describes the function and usage of Java deep replication. Share with you for your reference, as follows:…… -
Java display directory file list and delete directory function
Taking the D: \ a directory as an example, assume that the structure in the D: \ a directory is as follows: 4.1 exampl……