给出以下Action的Struts.XML配置文件描述（注1：请求为Test/Hello_onPlay.action)package com.yourcompany.action;public class HelloWorldAction{private String message;public String getMessage(){return message;}public void setMessage(String message){this.message = message;}public String onPlay() throws Exception{System.out.println(this.getMessage());return "success";}public String execute() throws Exception{System.out.println(this.getMessage());return "success";}}

A message can denote an asynchronous inter-object communication. How is such a message called? A: A signal B: A call C: A do message D: a new message

The content message is nonverbal and the relationship message is verbal.

Telephone Message From: For: Phone number: Message:

Listen to a phone message and complete the following note._ Telephone Message

The speaker's intended message is always the message that is actually communicated.

How to send a message? A: type the message→tap Send→type a phone number B: type a phone number→type the message→tap Send C: tap Send→type a phone number→type the message D: type a phone number→tap Send→type the message

Both participants can be the source of the message and the receiver of the message at the same time.

a message

Message