转换流——OutputStreamWriter类与InputStreamReader类

//=================================================
// File Name       :	OutputStreamWriter_demo
//------------------------------------------------------------------------------
// Author          :	Common

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;

//主类
//Function        : 	从文件中读取内容
public class OutputStreamWriter_demo {

public static void main(String[] args) throws Exception {
// TODO 自动生成的方法存根
File f = new File("/home/common/software/coding/HelloWord/HelloWord/test.txt");//路径
Writer out = null;
out = new OutputStreamWriter(new FileOutputStream(f));	//字节流变成字符流
out.write("HelloWord");
out.close();
}

}

//=================================================
// File Name       :	InputStreamReader_demo
//------------------------------------------------------------------------------
// Author          :	Common

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;

//主类
//Function        : 	从文件中读取内容
public class InputStreamReader_demo {

public static void main(String[] args) throws Exception {
// TODO 自动生成的方法存根
File f = new File("/home/common/software/coding/HelloWord/HelloWord/test.txt");//路径
Reader reader = null;
reader = new InputStreamReader(new FileInputStream(f));	//字节流变成字符流
char c[] = new char[1024];
int len = reader.read(c);
reader.close();
System.out.println(new String(c,0,len));
}

}