cool java programs

Java Network Programming and simple chat programs Network Programming technology is one of the mainstream programming technologies in Internet technology. It is necessary to understand some basic operations. This chapter mainly describes network programming, UDP and Socket programming, and a simple chat software using Socket. Download all code: Link1. Network Programming Overview: Network Programming i

bytecode encoding is UTF8, and the Windows command line is GBK, so the existence of this environment variable is to prevent garbled. (Even so, I deleted this environment variable because I found that the environment variable should not be used for the time being ...)Then just can't find the main class this problem, this problem for a long time, and later found that the environment variable configuration error. There is a doubt that since the environment variable is misconfigured, why didn't I g

Java-JVISUALVM Debugging Java programs, you can view CPU, memory, classes and threads and other information, can also be dump, is undoubtedly a toolRemote debugging required because the client is Windows, the server is Linux, and is the smallest installed Linux with no graphical interfaceOne, client: WindowsOpen%java_home%/bin/jvisualvm.exe, in the "Remote" node,

Java programs can start other applications, this process started in Java is called a child process, the Java program that initiates the child process is called the parent process, in fact, the parent process is a Java virtual machine1, in the

field is actually a JSON object:The code in the SDK downloaded from http://api.sap.com, the Request field type declared in the Gson container class Response.java is string, not an object, so Gson throws an exception: expected a string but is Begin_object at line-column $.requestKnowing the root of the problem makes it easier to change it. Create a new Gson container class Request.java, and then follow the structure of the request field observed in the console to maintain the corresponding membe

Are you looking for a way to register a Java program as a system service?　Try the Java Service Wrapper This tool, you can download your favorite version from this website: http://wrapper.tanukisoftware.org/, Java Service Wrapper offers a version of the popular operating system available on the market. There are three ways to use wrapper to register

Some Win8.1 system users find that when using Java programs, the page leaves a blank and a black fork, or simply cannot run the program. The following system of the small series for you to introduce the Win8.1 system can not run Java program solution! 1. Make sure you have Java installed; 2. Make sure that your IE ha

coding specifications and help readers familiarize themselves with these typical negative examples, in this way, you can perceive and avoid these problems keenly in your actual work.Counterexample: discard exceptionCode: Lines 15-18.This code captures exceptions without any processing. It can be regarded as a killer in Java programming. In terms of the frequency and severity of the problem, it may be comparable to that of the C/C ++ program ?? Do not

Java programs can run on any system that has a Java platform installed, and the syntax is as follows: Java-jar -jar This parameter is necessary, followed by your Java program, for example, our side is Java-jar/home/biosoft/genomea

to a directory in the user's system.[Icons] This optional excerpt defines all shortcuts created in the Start menu and/or other locations (such as the desktop). Name and location of the shortcut to create.The command-line file name of the filename, usually beginning with a directory constant.2. CompilingAfter editing the script, select "Build" \ "Compile" to finish.Method Two:Select File/New to open the Inno Setup Script Wizard to create a new script file.According to the prompt step-by-step, th

Java makes development of complex applications relatively simple. There is no doubt that its ease of use is essential to Java's wide range of popularity. However, this ease of use is actually a double-edged sword. A well-designed Java program often has less performance than a well-designed C ++ program. In Java programs