class Person {
private String name = "张三";
int age = 18;
}
class Student extends Person {
public String gender;
}
public class Test {
//private关键字测试
public static void main(String[] args) {
Person person = new Person();
Person p = new Student();
//编译均无法通过，因为String name 属性被 private修饰
System.out.println(person.name);
System.out.println(p.name);
}