package com.sf.day06; /** * 封装 */ public class Person { /** * javaBean 属性 方法 构造器 getset方法 toString() */ private String name; private Integer age; ///int integer private Double height; private Double weight; public Person(){ } public Person(String name,Integer age,Double height,Double weight){ this.name = name; this.age = age; this.height = height; this.weight = weight; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Integer getAge() { return age; } public void setAge(Integer age) { if(age < 0){ this.age = 10; }else this.age = age; } 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; } @Override public String toString() { return "Person{" + "name='" + name + '\'' + ", age=" + age + ", height=" + height + ", weight=" + weight + '}'; } }