charsettest.java

孙鑫JAVA从入门到精通配套练习程序。所有程序都实际运行过

import java.util.*;
import java.nio.charset.Charset;
import java.io.*;
class CharsetTest
{
	public static void main(String[] args)
	{
		/*
		Map m = Charset.availableCharsets();
		Set s = m.keySet();
		Iterator it = s.iterator();
		while(it.hasNext())
		{
			System.out.println(it.next());
		}
		*/
		/*
		Properties pps = System.getProperties();
		pps.list(System.out);
		*/
		Properties pps = System.getProperties();
		pps.put("file.encoding", "ISO-8859-1");
		pps.list(System.out);
		try
		{
			byte[] buf = new byte[100];
			int data;
			int i = 0;
			while((data=System.in.read())!='q')
			{
				buf[i++] = (byte)data;
			}
			String str = new String(buf, 0, i);
			System.out.println(str);
		}
		catch(IOException ex)
		{
			ex.printStackTrace();
		}
	}
}