how to read log file in java code

One, Java read the properties file summaryIn a Java project, the operation of the properties file is often done, because a lot of configuration information will be written in the properties file, here is the main summary of the us

Tag: Direct user value substr Manager int IMP RedWrote a batch of Lua script, to put in the database, the call when the calculation, because there are too many Lua script, wrote a program to input. The following are mainly divided into three parts: Public Static string readtostring (String fileName) Public Static void throws FileNotFoundException Public Static List Readtostring, which is used to read a script from a LUA script, which is a

The Out,error in system are final type and cannot be changed. However, the new output stream can be set through SetOut (), thus enabling the ability to write logs. Import Java.io.PrintStream; Import java.io.FileNotFoundException; public class Redirectoutputstream {public static void Main (String arg[]) { try{ printstream out = System.out ; Keep the original output stream printstream ps = new PrintStream ("./log.txt");//create file o

When Java reads a string from a byte stream, it converts platform-related bytes into platform-independent Unicode strings. During output, Java will convert the Unicode string to the byte stream related to the platform. If a Unicode character does not exist on a platform, ′? ′. For example, in Japanese windows, Java reads a "shift_jis" encoded

FileInputStream, each time it reads 512 bytes from the source program file Openfile.java, stores it in buffer buffers, and then constructs the string new string with the value in buffer ( Buffer) is displayed on the screen. The program is as follows (this example is placed in the package Biz.1cn.stream, in addition, please create a TestFile.txt file in the root directory for normal operation):1 Packag

newpath,boolean cover) ... { if (!oldpath.equals (NewPath)) ... { File Oldfile=new file (oldpath+ "/" +filename); File Newfile=new file (newpath+ "/" +filename); if (newfile.exists ()) ... {//If there is already a pending file in the directory to be transferred if (cov

pool } Public synchronized voidrelease () {//release all the connections } Public synchronized voiddestroy () {//destroying a connection pool } }For large, complex and networked database application systems, the proper use of connection pooling technology can greatly improve the execution efficiency of the program.V. Concluding remarksIn short, because Java has the incomparable advantage of other languages,

ASP has been through a period of time, I would describe the use of ASP FSO to achieve file read and write operations, there is a need to learn friends can refer to. 1.AtEndOfStream This property indicates whether the end of the entire text file has been reached. Its value is "TRUE" or "FALSE" 2.CreateTextFile Used to create a new text

This article describes how to read and write files in php. We mainly use the three functions file_get_contents, fwrite, and file. Then, we simply say that is_readable can be used to determine whether a file can be written. This article describes how to read and write files in php. We mainly use the three functions file

as follows: OK, just talk to the code, this class is easy to use to see the demo directory structure:First, read the configuration file class: Propertiesreader.java about properties read files Here are six ways: Java reads the properties of six ways, the following is the mo