上机实验报告源代码.doc
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class People
{ protected double weight,height;
public void speakHello()
{ System.out.println(yayawawa);
}
public void averageHeight()
{ height=173;
System.out.println(average height:+height);
}
public void averageWeight()
{ weight=70;
System.out.println(average weight:+weight);
}
}
class ChinaPeople extends People
{ public void speakHello()
{ System.out.println(你好，吃饭了吗？);
}
public void averageHeight()
{ height=173.0;
System.out.println(中国人的average height:+height);
}
public void averageWeight()
{ weight=67.34;
System.out.println(中国人的average weight:+weight);
}
public void chinaGongfu()
{ System.out.println(坐如钟，站如松，睡如弓);
}
}
class AmericanPeople extends People
{ public void speakHello()
{ System.out.println(How do you do);
}
public void averageHeight()
{ height=188.0;
System.out.println(American average height:+height);
}
public void averageWeight()
{ weight=80.23;
System.out.println(American average weight:+weight);
}
public void americanBoxing()
{ System.out.println(直拳，钩拳);
}
}
class BeijingPeople extends ChinaPeople
{ public void speakHello()
{ System.out.println(您好);
}
public void aversageHeight()
{ height=167.0;
System.out.println(北京人的average height:+height);
}
public void averageWeight()
{ weight=68.5;
System.out.println(北京人的average weight:+weight);
}
public void beijingOpera()
{ System.out.println(京剧术语);
}
}
public class Example
{ public static void main(String args[])
{ ChinaPeople chinaPeople=new ChinaPeople();
AmericanPeople americaPeople=new AmericanPeople();
BeijingPeople beijingPeople=new BeijingPeople();
chinaPeople.speakHello();
americanPeople.speakHello();
beijingPeople.speakHello();
americanPeople.averageHeight();
beijingPeople.averageHeight();
chinaPeople.averageWeight();
americanPeople.averageWeight();
beijingPeople.averageWeight();
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