封装:
隐藏实现细节,提供公共的访问方式。
private仅仅是封装的一种体现。
标准代码:
class Student {
private String name;
private int age;
public Student(){}
public Student(String name,int age) {
this.name = name;
this.age = age;
}
public void setName(String name) {
this.name = name;
}
public String getName() {
return name; //return this.name;
}
public void setAge(int age) {
this.age = age;
}
public int getAge() {
return age;
}
} |
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