URLDecoder和URLEncoder

package junit.test;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;

import org.junit.Test;

public class Test_urlDecode {
	@Test
	public void Test() {

		try {
			String url = URLEncoder
					.encode(
							" Modeline \"800x600\"  38.22  800 832 912 1024  600 601 604 622  -HSync +Vsync",
							"UTF-8");
			System.err.println(url);
			System.err.println(URLDecoder.decode(url, "UTF-8"));
			String str1="%20Modeline%20%22800x600%22%20%2038.22%20%20800%20832%20912%201024%20%20600%20601%20604%20622%20%20-HSync%20%2BVsync";
			System.err.println(URLDecoder.decode(str1,"UTF-8"));
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
	}
}