String input = "http://www.altavista.com/cgi-bin/query?pg=q&kl=XX&stype=stext&q=%2B%22Java+Network+Programming%22&search.x=30&search.y=7";
System.out.println(input);
try {
String output = URLDecoder.decode(input);
System.out.println(output);
}
catch (Exception e) {
System.err.println("Malformed URL");
}