封装

赋值

打印值

定义girls类

package com.fqs.demo1;

public class Girls {
    //私有的属性
    private String name;
    
    //set
    
    //get
    public void setName(String temp) {
        
        name=temp;
    }
    public String getName() {
        
        return name;
    }
    
    private int age;
    //赋给值
    public void setAge(int temp) {
        if (age<=50 && age>=18) {
            age=temp;
        }
        else {
            System.out.println("非法输入,请再输入");
        }
        
        
    }
    public int getAge() {
        
        return age;
    }
    public void Shop() {
        //购物
    }


}

 

grilsTest类 赋值  打印值

package com.fqs.demo1;

public class GirlsTest {
    public static void main(String[] args) {
        Girls myG=new Girls();
        //赋给值
            myG.setAge(80);
            //打印获取的值
            System.out.println(myG.getAge());
            
    }

}