package 字符编码;

 import java.io.File;

 import java.io.FileOutputStream;

 import java.io.IOException;

 import java.io.OutputStream;

 import java.io.UnsupportedEncodingException;

 public class TestGetProperties {

     public static void main(String[] args) throws UnsupportedEncodingException, IOException {

         System.getProperties().list(System.out);//输出当前环境属性

         File file=new File("D:"+File.separator+"test.txt");

         OutputStream out=new FileOutputStream(file);

         out.write("黄山黄河长江长城".getBytes("UTF-8"));//无乱码

         out.write("黄山黄河长江长城".getBytes("ISO8859-1"));//有乱码

         out.close();

     }

 }