编码表的转换和实现过程

import java.io.FileInputStream;
/*
 *编码表的转换实现
 */
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;


public class EncodeStream {
public static void main(String[] args) {

}
//读的过程
public static void  readText()throws IOException {
InputStreamReader isr=new InputStreamReader(new FileInputStream("d:\\gbk.txt"),"GBK");
char[]buf=new char[10];
int len=isr.read(buf);
String str=new String(buf, 0, len);
System.out.println(str);
isr.close();
}


//写到过程
public static void  writeText()throws IOException {
OutputStreamWriter osw=new OutputStreamWriter(new FileOutputStream("d:\\gbk.txt"),"GBK");
OutputStreamWriter osw1=new OutputStreamWriter(new FileOutputStream("d:\\utf8.txt"),"UTF-8");
osw.write("你好");
osw1.write("你好");
osw.close();
}
}