Tag:java

  • The method of processing XML data with java + jquery

    Time:2021-3-8

    This paper introduces the method of dealing with XML data by java + jQuery. Share with you for your reference. The specific implementation method is as follows: one AjaxJqueryXml.js As follows: Copy codeThe code is as follows: function verify(){  / / 1. Get the content in the text box/ / jQuery is the way to […]

  • Implementation of banker algorithm in Java

    Time:2021-3-6

    This example for you to share the Java banker algorithm specific code, for your reference, the specific content is as follows import java.util.Arrays; import javax.swing.JOptionPane; public class Banker_Dijkstra { Static int available [] = {3,3,2}; // number of available resources Static int Max []] = {{7,5,3}, {3,2,2}, {9,0,2}, {2,2}, {4,3,3}; // maximum demand per thread […]

  • Implementation of adding digital signature to Java pdf

    Time:2021-3-4

    After the digital signature of the document, people other than the author can not modify it. Therefore, adding digital signature to PDF document can ensure its security and authenticity. At the same time, according to the difference of added content, digital signature can be divided into text digital signature, picture digital signature, picture and text […]

  • Implementation of banker algorithm in Java (swing interface)

    Time:2021-3-3

    Java code to achieve the banker’s algorithm, the interface is written in a more detailed way, complete realization of the search for security sequence algorithm function, can be used as a reference to learn the banker’s algorithm. Direct code: ① interface display method: public void ShowFrame() { this.setSize (500, 350); // size this.setAlwaysOnTop(true); this.setResizable (false); […]

  • Using java to realize banker algorithm

    Time:2021-3-2

    The core of banker algorithm First, find the process (need) that satisfies the system’s current remaining resources (avaliable) > = the number of resources required for the process to run, and then assume that the security verification of this process is successful. After the process is completed and the resources are released, the system’s current […]

  • Java implementation of simple banker algorithm

    Time:2021-2-27

    This example for you to share the Java banker algorithm specific code, for your reference, the specific content is as follows Title: At the beginning, allocate [I, J] = 0, which means that no process gets any resources at the beginning. Suppose that the request order of the process to the resourceListed as: Request(1)[M]=(1,0,0); Request(2)[M]=(2,1,0); […]

  • Configuration method of connecting access database in Java Web project

    Time:2021-2-23

    The teacher decided to use the access database in the final exam to add, delete, modify and query. I think I have no problem now, but I used to connect the access database in the JSP page. No matter which way I do, I have done the connection exercises. But now I want my project’s […]

  • Java file download code examples (single file download and multi file package download)

    Time:2021-2-20

    This article mainly introduces the java file download code examples (single file download and multi file package download). The example code is introduced in great detail, which has a certain reference learning value for everyone’s study or work. Friends who need it can refer to it Recently, the project needs to write a file to […]

  • Summary of knowledge about heap memory and stack memory in Java

    Time:2021-2-18

    1、 Overview In Java, memory is divided into two kinds, one is stack memory, the other is heap memory. 2、 Heap memory 1. What is heap memory? Heap memory is a kind of JAVA memory. Its function is to store objects and arrays in Java. When we create an object or an array, we will […]

  • Analysis of Java list collection sorting implementation method

    Time:2021-2-16

    This article mainly introduces the Java list collection sorting implementation method analysis, the article through the example code is very detailed, for everyone’s study or work has a certain reference learning value, need friends can refer to 1. Use the sort() method in the collections tool class The parameters are different Void sort (list) implements […]

  • Analysis of the running principle of java thread state

    Time:2021-2-14

    This article mainly introduces the java thread state operation principle analysis, the article through the example code introduction is very detailed, for everyone’s study or work has a certain reference learning value, need friends can refer to The code example is as follows package com.fgy.demo05; /** *Waiting to wake up case: communication between threads *Note: […]

  • Java read XML configuration parameter code instance

    Time:2021-2-12

    This article mainly introduces the example of Java reading XML configuration parameter code. The example code is introduced in great detail, which has a certain reference learning value for everyone’s study or work. If you need a friend, you can refer to it paras.xml file <?xml version=”1.0″ encoding=”UTF-8″?> <beans xmlns=”http://www.springframework.org/schema/beans” xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance” xmlns:aop=”http://www.springframework.org/schema/aop” xmlns:tx=”http://www.springframework.org/schema/tx” xmlns:context=”http://www.springframework.org/schema/context” xsi:schemaLocation=” […]