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2025-11-06 10:29:13 +08:00
commit 0becd14830
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package com.ex4;
public class Table extends Sobject{
private double width; //宽度
private double length; //长度
private double height; //高度
//如果该类不写构造方法,系统会自动为 Table添加一个无参数的构造方法
//在这个无参构造方法中会自动调用Sobject类中的无参数的构造方法
// public Table() {
// super();
//// super("abc",34.5);
// }
//
public Table(String name,double weight,double width,double length,double height) {
super(name, weight);
this.width=width;
this.length=length;
this.height=height;
}
public double area() {
return width*length;
}
public void changeWeight(double w) {
setWeight(w);
}
}