Lesson_8 课堂练习 继承.通讯工具

练习描述:　　

　　Mobile 类和 FixTelephone 类继承于Communication类父类有显示本机号码,打电话,挂断的功能.子类模拟手机发短信,传真发

传真等功能

/***********************************************************
*                   Lesson_8 -- 课堂练习
*
*                       通讯工具
*                       13-01-18
*                     by CocoonFan
************************************************************
************************************************************
*    Mobile 类和 FixTelephone 类继承于Communication类
* 父类有显示本机号码,打电话,挂断的功能.子类模拟手机发短信,传真发
* 传真等功能
************************************************************/

public class TestCommunication {
    public static void main(String[] args) {
        Mobile mobile = new Mobile("123456");
        mobile.calling("8888");
        mobile.offset();
        mobile.showSelfNumber();
        mobile.sendMessage("我正在发短信...");
        
        FixTelephone fixTelephone = new FixTelephone("111111");
        
        fixTelephone.setFax("我正在发传真...");
        fixTelephone.setSelfNumber("6666");
        fixTelephone.showSelfNumber();
        fixTelephone.sendFax();
    }
}

class Communication{
    private String selfNumber;
    private String toNumber;
    
    public Communication(String selfNumber){
        this.selfNumber = selfNumber;
    }
    public String getToNumber() {
        return toNumber;
    }

    public void setToNumber(String toNumber) {
        this.toNumber = toNumber;
    }

    public String getSelfNumber() {
        return selfNumber;
    }

    public void setSelfNumber(String selfNumber) {
        this.selfNumber = selfNumber;
    }
    
    public void calling(String number){
        this.toNumber = number;
        System.out.println("正在拨号:" + toNumber);
    }
    
    public void offset() {
        System.out.println("已挂断!");
    }
    
    public void showSelfNumber(){
        System.out.println("本机号码:" + selfNumber);
    }
}

class Mobile extends Communication{
    
    public Mobile(String selfNumber) {
        super(selfNumber);
    }
    public void sendMessage(String message){
        System.out.println(super.getSelfNumber() + "发送短信 给" 
                + super.getToNumber() + ": "+ message);
    }
}

class FixTelephone extends Communication{
    private String fax;
    
    public FixTelephone(String selfNumber){
        super(selfNumber);
    }
    public String getFax() {
        return fax;
    }

    public void setFax(String fax) {
        this.fax = fax;
    }
    
    public void sendFax(){
        System.out.println("传真内容:" + fax);
    }
}