封装

private私有

package com.oracle.Demo01;

public class Person {
    private String name;
    private int age;

    public void setName(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setAge(int age) {
        if (age >= 0 && age <= 130) {
            this.age = age;
        } else {
            System.out.println("你输入的年龄不正确");
        }
    }

    public int getAge() {
        return age;
    }

    public void speak() {
        System.out.println(name + "..." + age);
    }

    public boolean compare(Person p) {
        return this.age == p.age;
    }

}