编程创建一个Cube类,在其中定义三个变量表示一个立方体的长、宽、高,定义一个构造方法对这三个变量进行初始化,然后定义一
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package cn.test.test1;public class Cube {
private float cubeWidth; private float cubeHeight; private float cubeLength;
// 定义有参构造方法初始化属性
public Cube(float width, float height, float length,) {
cubeWidth = width; cubeHeight = height; cubeLength = length;
}
// 定义求立方体体积的方法
public float volume() {
return (cubeWidth*cubeHeight*cubeLength);
}
}
package cn.test.test1;public class Test { public static void main(String[] args) { //创建立方体对象,并给属性赋值 Cube c=new Cube(1, 1, 1); //调用方法求出面积 float volume=t.volume(); System.out.println(立方体的体积:+area); }}
再问: ????????????д????????о???????
再答: ???????????й??????????????????? public class Cube { private float cubeWidth; //????????????? private float cubeHeight; private float cubeHeight; public Cube(float width, float height, float length) { cubeWidth = width; //????????? cubeHeight = height; cubeLength = length; } public float volume() { return (cubeWidth*cubeHeight*cubeLength); } } public class Test { public static void main(String[] args) { Cube c=new Cube(1, 1, 1); float volume=t.volume(); System.out.println(??????????+area); } ????????????ü???? ???????????????????????????????
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