package com.homework.zw;public class Sanjiao{    private double border1;    private double border2;    private double border3;            public double Zhouchang(double b1,double b2, double b3)    {        border1=b1;        border2=b2;        border3=b3;        return border1+border2+border3;    }}

package com.homework.zw;public class Textzhouchang {    public static void main(String[] args)    {        Sanjiao sj=new Sanjiao();        System.out.println("三角形的周长为："+sj.Zhouchang(25.3,24,40));    }}