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JAVA 面向对象编程(基础2)

 
  1. 继承
在前面的章节中,我们已经定义了Person类:
class Person { private String name; private int age; public String getName() {...} public void setName(String name) {...} public int getAge() {...} public void setAge(int age) {...} }
现在,假设需要定义一个Student类,字段如下:
class Student { private String name; private int age; private int score; public String getName() {...} public void setName(String name) {...} public int getAge() {...} public void setAge(int age) {...} public int getScore() { … } public void setScore(int score) { … } }
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