定义一个盒子类box,包括三个私有变量

问题描述

精选答案

public class Box{ private double width; private double length; private double height; public Box(double width, double length, double height){ this.width = width; this.length = length; this.height = height; } public void showBox(){System.out.printf(

"width=%f; length=%f; height=%f