import java.net.URLEncoder;
import java.io.UnsupportedEncodingException;
public class UrlEncode {
public static void main(String[] args) {
String str = "あいうえお";
try {
str = URLEncoder.encode(str, "SJIS");
System.out.println(str);
}catch (UnsupportedEncodingException e) {
}
}
}