An excellent integrated development tool such as Eclipse and JBuilder may have forgotten the existence of the Java command line tool, we seldom use javac or Java in the command line to compile and run our program. This article is a return to the truth, because sometimes we should use these commands, at least to underst
Reference:http://blog.163.com/lucas_nina/blog/static/185960149201493034258448/Proven OKJconsole is a tool that comes with the JDK. So install the JDK firstPath to the 1.jconsole tool:View/usr/local/jdk1.7.0_79/bin/jconsole by which Jconsole2. How to use:On the Linux monitor side of the graphical interface execution:/usr/local/jdk1.7.0_79/bin/jconsoleA graphical Java monitoring and Management console appears
Jad is a Java anti-compilation tool, and Eclipse's plug-in jadclipse, which combine to easily view the source code of a class file in Eclipse.Here's a look at the configuration:
Download Jadclipse,http://jadclipse.sourceforge.net/wiki/index.php/main_page#download, download the latest Net.sf.jadclipse_3.3.0.jar
Download Jad,http://www.varaneckas.com/jad download win version
Copy the download
Concept distinction: java.util.Collection and java.util.Collections differences:
1, Java.util.Collection is a collection interface (a top-level interface of the collection Class). It provides a common interface method for basic operations on a collection object. The collection interface has many specific implementations in the Java class Library. The significance of the collection interface is to provide a maximum unified operation for a variety of sp
This article for you to share a javase/javaee/android Java encryption and decryption tool for everyone to learn, the details are as follows
Package longshu.utils.security;
Import Java.lang.reflect.Method;
Import java.security.InvalidKeyException;
Import Java.security.Key;
Import Java.security.MessageDigest;
Import java.security.NoSuchAlgorithmException;
Import Java.security.SecureRandom;
Import jav
file transfer, here I mainly introduce how Java is the FTP tool for uploading and downloading files, here Our FTP server is the Linux operating system.
Second, Java Shelf Package referenceWhich "Commons-net-1.4.1.jar", "Jakarta-oro-2.0.8.jar" click on the link can be directly downloaded, and to ensure that it can be used, we can safely download.
Third, file pa
Send mail Author: Feng
This article describes how to use the Java Web API to implement an e-mail tool. Typically, email tools use the SMTP (Simple Mail Transfer Protocol, Simplicity Mail Transfer Protocol) to send mail and use the POP3 protocol to accept e-mail messages. Only the two protocols are briefly described in this article. If interested readers can refer to the following sites:
Pop3:ftp://ftp.isi
Share an Android and Java tool that calls RESTful Web services restingWhen we invoke a Web service, it is often the final goal to take an HTTP response and convert it into a value object that will be rendered in the app. Resting can be used to implement this function.Resting, a lightweight rest framework in Java, can be used to invoke a RESTful Web service and tr
This essay mainly introduces a tool class written in the Java language that converts one file encoding to another and does not change the contents of a file:By reading the contents of the source file, it is implemented by recoding and decoding by urlencoding. 1 Public classchangefileencoding {2 Public Static intFileCount = 0;3 Public StaticString sourcefileroot = "Replace with source fil
Java tool set IntroductionOriginal article. Reprinted with the author's name.1. RMIIONew version: 2.0.2RMIIO is a library that uses the RMI framework (or other RPC frameworks) to process a large amount of streaming data. The RMI framework makes remote communication between Java applications easier. However, it does not provide any solutions to handle the send
Java build tool Ant's first build. xml
ANT is a building tool that features cross-platform, simple operation, simple installation, and low resource usage. It has only one configuration file to build. xml, the thing we need to do is build. in xml, we define what we want to do. ANT has many commands and syntaxes. When I first came into contact with it, it was also
Objective
For Java programmers, there will always be a variety of problems in the day-to-day projects, the author today on their own personal experience to summarize the actual work often encountered problems and common solutions, which is about four articles to introduce:
The first basic tool, here is the tool, not monitoring, tuning, IDE and other tools, but
Url rewrite is a common requirement in the web development. apache Web Server uses its module mod_rewrite to offere a powerful Url rewrite function. in this post, I make some introduction to UrlRewriteFilter which is a very powerful tool just like Apache's mod_rewrite. here is the detailed manul UrlRewriteFilter. it is east to use in your Java web project following the steps. it is also apparently That UrlR
Debug Android Java source code
The back garden of the straw hat-Neo
Previously written: This article mainly focuses on debugging the Java source code. It should be said that it is the source code after system_process. This is a powerful tool for debugging and modifying the frameworks layer, but why is it still analyzed after system_process? If there is any result
Java-oriented quick Web Service Support Tool-netrifex
Proxisoft today announced netrifex 1.0.
Netrifex can immediately add web services to existing Java SE and Java EE applications.ProgramTo quickly deploy web services to the entire enterprise application at a low cost.
Netrifex adds web services to existing
receive the command (1), the server must be very clear that the 1 is a login request, and you certainly do not want to write directly in the program 1 To be the basis of judgment. At this point the client and server will have a constant definition of the same value, the game request command is absolutely a huge collection, so you do not want to maintain the same two sets of constants each time. In addition to the request command, there are some other constants, such as the player character gend
Java programmer's JavaScript learning notes (9 -- jQuery tool method)
We plan to complete this note in the following order: 1. concept.2. Copy and inherit attributes.3. this/call/apply.4. Closure/getter/setter.5. prototype.6. object-oriented simulation.7. Basic jQuery mechanism.8. jQuery selector.9. jQuery tool method.10. jQuery-extension at the class level.11. j
check the Keep enumerations option, Because Ching this option causes the Java.lang.Enum to appear in the Configration file, this class is only available in a 1.5 environment. The error message is as follows:[Proguard] Note:the configuration refers to the unknown class ' Java.lang.Enum '[Proguard] Note:there were 1 references to unknown classes.[Proguard] You should check your the configuration for typos.5. When embedding an ant script, there is usually aTask.properties in Proguard.jar, reserved
A common programming task is to read from one file, modify the content, and then write the contents to another file. Java to implement read, write operations, you need to create multiple classes to produce a Stream to operate.The following is a simple tool class that encapsulates the read and write operations of a file, providing a concise interface.ImportJava.io.BufferedReader;ImportJava.io.File;Importjava
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