RestClientTest.java

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;

public class RestClientTest {

	public static void main(String[] args) {

		Client client = Client.create();

		WebResource webResource = client.resource("http://localhost:8080/book.rest/rest/helloworld");

		ClientResponse response = webResource.accept("text/plain").get(ClientResponse.class);

		if (response.getStatus() != 200) {
			System.out.println("fail:" + response.getStatus());
		}

		String output = response.getEntity(String.class);
		
		System.out.println("response : "+output);

	}

}