JAVA specify the character set to read and write files

JAVA read and write the file if you do not specify the character set, then the operating system are based on the default character set. When we create a file on a Windows platform, contains a Chinese, then in the Linux platform with the JAVA read out

JAVA escaped characters in the original four very simple: 1. Octal escape sequences: \ + 1-3 5 figures; range '\ 000' ~ '\ 377' \ 0: null character 2.Unicode escape characters: \ u + 4 hexadecimal digits; 0 ~ 65535 \ u0000: null character 3. Special

1.问题背景 由于项目开发需要,从svn中checkout代码下来,用ide打开设置为UTF-8编码进行编译.结果却产生了 illegal character: \65279 错误,搞得一头雾水. 2.分析问题 开始以为是编码没有选对,调整了并询问原开发人员确认是UTF-8没有问题.上网翻阅资料后才发现,是由于Windows系统开发的编码为UTF-8(BOM)导致,BOM是Byte-Order Mark的意思.一种为了让编辑器自动识别编码.在文件前3个字节加上了EE,BB,BF,但标准的UTF-

Although simple, but many people ask about this in the . Brief description of : String string="123"; int x=Integer.parseInt(string); System.out.println("1: String to numeric value "+x); char c='5'; int x1=c-'0'; System.out.println(&quo

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// File 1 package com.kelsen.beans.imagehelper; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.DataOutputStream; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputS

/** * Java The class loader * * @author Zhang Xue * */ public class ClassLoaderStudy { public static void main(String[] args) throws Exception { // Gets the : Load the class loader ClassLoaderStudy System.out.println(ClassLoaderStudy.class.getClassLo

This requires import java.io class import java.io. *; public class FileOperate ( public FileOperate () ( ) / ** * New directory * @ Param folderPath String, such as c: / fqf * @ Return boolean * / public void newFolder (String folderPath) ( try ( Str

The characteristics of its cross-platform JAVA loved by the people, but precisely because it is the purpose of cross-platform, making it all the internal links of the local machine to become small, constrained by its function. JAVA on the local opera

Character stream processing and byte streams similar, API is basically the same, that is, different units of measurement. Another character stream also provides a number of other processing streams, such as by line reads the stream, string streams, e

Weekend experience in java to convert character encoding problem, by himself in utf-8, GBK, and transfer to transfer to gb2312, and the results themselves Jinong dizzy. Although the final debugging through the code itself, but still know nothing abou

Another two days time to summarize / organize a bit of encoding a variety of encoding methods, and Java applications In usage here recorded for future reference. In order to constitute a complete text encoding of knowledge against and in-depth Bawo,

Great summary of examination questions java interview Pen Great summary of examination questions java interview Pen First, to talk about the final, finally, finalize the difference. Most frequently asked. Second, Anonymous Inner Class (anonymous inne

What are the characteristics of object-oriented aspects of (1). Abstraction: Abstraction is to overlook a topic has nothing to do with the current target those aspects in order to more fully attention-related aspects of the current target. Abstract d

Learning java regular expression encountered three problems. 1, java strings and string pattern is very clear 2, there is the concept of capturing group, and also of the capture group after the replacement string, which appendReplacement (StringBuffe

java i / o Principle Basic concepts: I / O (Input / Output) Data source (Data Source) Data places (Data Sink) Java in the different data sources and procedures for data transmission between the abstract representation of both the "flow" (Stream)

Chap1 Object Description 1. Abstract process Alan Kay summarized five basic characteristics of Smalltalk. These characteristics represent a pure object-oriented programming method: (1). All things are objects. Think of a special kind of object variab

Java Code Analysis Java and Unicode: Java-class file using utf8 encoding, JVM run-time using utf16. Java is unicode encoded string. In short, Java uses unicode character set, allowing easy internationalization. Java support what character set: Java c

What is jchardet? jchardet is automatic character set detection algorithm mozilla code java transplantation, its source code can be downloaded from sourceforge. This algorithm first author is frank Tang, C + + source code http://www.infomall.cn/cgi-b

Most of this technology around the adjustment disk file I / O, but some content is the same for network I / O and the window output. The first part of the technical discussion of the underlying I / O issues, and discuss issues such as compression, fo