import java.net.*;
 
class Example {
    public static void main(String[] args) throws Exception {
        String search = "Blue Band Koken & Opkloppen 31% Lactosevrij 1L";
        System.out.println("original: " + search);
        String param = URLEncoder.encode(search, "UTF-8");
        System.out.println("q param:  " + param);
        String decoded = URLDecoder.decode(param, "UTF-8");
        System.out.println("decoded:  " + decoded);
    }
}

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