包含标签：Java 的文章
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JSP Response. Addheader() method: add HTTP header information
addHeader(String name,String value) Example <%=new Date()%> <% response.addheader("Refresh","1"); …… -
Java Map. Put() method: get all the key names of the map collection
put(K key,V value) Example public static void main(String[] args)throws InterruptedException{ Map map = new Has…… -
Java List. Clear() method: removes all elements from the list
clear() Example public static void main(String[] args){ List<String>list = new ArrayList<String>();…… -
JSP PageContext. Release() method: release related resources
release() Example <% pageContext.release(); %> -
Detailed explanation of Java one-dimensional array: Java creates one-dimensional array, initializes one-dimensional array, and obtains single / all elements
Create a one-dimensional array 数据类型数组名[]; //声明数组 数据类型[]数组名; //声明数组 int[] score; /…… -
JSP application. Getresourcepaths() method: returns all files in the specified directory
getResourcePaths(String path) Example <% Set set = application.getResourcePaths("/"); //返回装载指定路径列表…… -
JSP Request. Getheadersnames() method: returns the names of all request headers
getHeaderNames() Example <% Enumeration cts = request.getHeaderNames(); while(cts.hasMoreElements()){ …… -
JSP Request. Getintheader () method: get the corresponding header information in the client request
getIntHeader(String name) Example <% out.println(request.getIntHeader("Expires")); %> -
Java List. Get () method: get the element at the specified position in the list
get(int index) Typical application public static void main(String[] args){ List<String>list = new ArrayLi…… -
JSP application. Getattributenames() method: get all attribute names
getAttributeNames() Example <% Enumeration names = application.getAttributeNames(); while(names.hasMoreElem…… -
JSP Response. Getoutputstream () method: get the output stream of the JSP response object
getOutputStream() Example <% ServletOutputStream os = response.getOutputStream(); os.write("<b>Java编…… -
JSP Response. Addinthead() method: add the int attribute of the corresponding name
addIntHeader(String name,int value) Example <% response.addIntHeader("Expires",10); %> -
Role of Java currentthread() method
Example 1 public class Run1 { public static void main(String[] args) { //调用currentThread()方法…… -
JSP PageContext. Handlepageexception() method: throw an exception
Grammar 1 handlePageException(Exception e) Example <%@page language="java" pageEncoding="GBK" errorPage="error.js…… -
JSP page instruction: page instruction
<%@page [language="java"] [contentType="mimeType;charset=CHARSET"] [import="{package.class|pageage.*},……"] [extends…… -
The role of the Java getid () method
package ch14; public class Test15 { public static void main(String[] args) { Thread runThread=T…… -
Basic knowledge of Java network programming
Network classification Network programming model Client / Server Mode Browser / Server Mode Network protocol IP protoc…… -
JSP Request. Getmethod () method: get the method that the client transmits data to the server
getmethod() Example <% String mName = request.getmethod(); out.println("表单提交请求使用的方法是:"+mName); …… -
JSP Response. Addcookie() method: add cookie object
addCookie(Cookie cookie) Example <% Cookie cookie = new Cookie("user","lzw"); response.addCookie(cookie); …… -
Java connection string
Using join operators Example 1 public static void main(String[] args) { int[] no=new int[]{501,101,204,102,334…… -
JSP from shallow to deep (8) — JSP Tags
Another important syntax of JSP is tags. JSP tags does not use <%, but only the < character. JSP tag is a bit li…… -
Note: Lecture 4 exception handling and I / O flow in Java
[thinking before class] 1. What are exceptions? What are the two exception handling mechanisms in Java? 2. What are th…… -
Note: Lecture 3 object oriented features in the Java language
[thinking before class] 1. What are objects? What are classes? What are packages? What are interfaces? What are intern…… -
Note: Lecture 6 Java threads and Java applets
[thinking before class] 1. What is a thread? What is the difference between it and a process? What is the applicable d…… -
JSP from simple to deep (3) — adding dynamic content through expressions
In our previous chapters, any HTML file can be transformed into a JSP file by changing its extension to jsp。 Of cours…… -
Here comes tiger j2se1 5 list of new features
Although the Java version has evolved from 1.0 to 1.4 2. However, the Java language itself has not changed much, only …… -
JSP from simple to deep (10) — beans and forms processing
Forms is a very common way to interact on websites. JSP makes form processing easier. The standard way to process form…… -
Note: Lesson 5 AWT graphical user interface design
[thinking before class] 1. Java language is a cross platform programming language, so how can the graphical user inter…… -
JSP from simple to deep (4) — scriptlets
In the above tutorial, we have learned how to embed Java expressions between <% = and% > character series in JSP…… -
Experience of integrating iis5 and tomcat5 with JK2 in Win32 environment
This article assumes that iis5 and tomcat5 have been installed JK2 download address: http://apache.linuxforum.net/dist…… -
Notes: Lecture 2 basic knowledge of Java language
summary: 4. Floating point (real) data real constant: ◇ decimal number form consists of numbers and decimal points, an…… -
Java learning from introduction to mastery
Java learning path (I), tool Article 1 and JDK (java development kit) JDK is the core of the whole Java, including Jav……