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Java - get domain name from given url

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In this article we would like to show how to get domain from given URL in Java.

Simple solution:

import java.net.URI;
import java.net.URISyntaxException;

class DomainUtil {

    public static String getDomainName(String url) throws URISyntaxException {
        URI uri = new URI(url);
        String domain = uri.getHost();
        return domain.startsWith("www.") ? domain.substring(4) : domain;
    }
}

 

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