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}
}
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1) have names
2) not required to create a new object each time they are invoked
3) return an object of any subtype of their return type
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package com.test.servlet;
import javax.xml.namespace.QName;
import javax.xml.rpc.ParameterMode;
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import org.apache.axis.encoding.XMLType;
import org.apache.axis.message.SOAPHeaderElement;
public class WebService {
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