Java 继承——2
Posted jakermk
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创建如下三个类：（People类中的三个方法分别输出一些信息，ChinaPeople
和AmericanPeople类重写父类的三个方法）。
package text1;
public class People {
protected double height;
protected double weight;
public void speak()
{
System.out.println("hello");
}
public void averageHeight()
{
System.out.println("身高");
}
public void averageWeight()
{
System.out.println("体重");
}
}
package text1;
public class Chinapeople extends People {
public void speak()
{
System.out.println("你好");
}
public void averageHeight()
{
System.out.println("中国身高");
}
public void averageWeight()
{
System.out.println("中国体重");
}
public void chinagongfu()
{
System.out.println("站如松");
}
}
package text1;
public class Americanpeople extends People {
public void speak()
{
System.out.println("Hello！！！！！！");
}
public void averageHeight()
{
System.out.println("height");
}
public void averageWeight()
{
System.out.println("weight");
}
public void americanboxing()
{
System.out.println("拳击");
}
}
package text1;
public class text12 {
public static void main(String[] args) {
// TODO 自动生成的方法存根
People p=new People();
p.speak();
p.averageHeight();
p.averageWeight();
Chinapeople c=new Chinapeople();
c.speak();
c.averageHeight();
c.averageWeight();
c.chinagongfu();
Americanpeople a=new Americanpeople();
a.speak();
a.averageHeight();
a.averageWeight();
a.americanboxing();
}
}
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