首页 > 代码库 > 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）。
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 zhongqiuzuoye;public class People { protected double height; protected double weight; public double getHeight() { return height; } public void setHeight(double height) { this.height = height; } public double getWeight() { return weight; } public void setWeight(double weight) { this.weight = weight; } public void speakHello() { } public void averageHeight() { } public void averageWeight() { }}
package zhongqiuzuoye;public class ChinaPeople extends People{ public void chinaGoufu() { System.out.println("坐如钟，站如松"); } public void speakHello() { System.out.println("你好"); } public void averageHeight() { System.out.println("中国人平均身高为170cm"); } public void averageWeight() { System.out.println("中国人平均体重是70kg"); } }
package zhongqiuzuoye;public class AmericnPeople extends People{ public void chinaGoufu() { System.out.println("直拳"); } public void speakHello() { System.out.println("hello"); } public void averageHeight() { System.out.println("美国人平均身高为180cm"); } public void averageWeight() { System.out.println("美国人平均体重是80kg"); }}
package zhongqiuzuoye;public class TestPeople { public static void main(String[] args) { ChinaPeople c =new ChinaPeople(); c.speakHello(); c.averageHeight(); c.averageWeight(); AmericnPeople a=new AmericnPeople(); a.speakHello(); a.averageHeight(); a.averageWeight();}}
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）。
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