/*
功能:Java"封装"的典型例子*/public class Demo3_5{ public static void main(String args[]){ Clerk clerk1=new Clerk("qingfeng",22,5321.12f); System.out.println("名字为"+clerk1.name+"薪资为"+clerk1.getSalary());//只能通过授权的操作(成员方法)进行访问 }}class Clerk{ public String name ; private int age; private float salary; //构造方法 public Clerk(String name, int age, float sal){ this.name = name; this.age = age; this.salary = sal; } //成员方法 public float getSalary(){ return this.salary; }}