jieguo1.java

来自「java编写的小程序」· Java 代码 · 共 79 行

import java.lang.*;
import javax.swing.*;
class  Rectangle
{
	private int mLength;
	private  int mWidth;
    public void setLength(int Length)
	{this.mLength=Length;}
	public int getLength()
	{return mLength;}
    public void setWidth(int Width)
	{this.mWidth=Width;}
	public int getWidth()
	{return mWidth;}
   Rectangle()
	{ mLength=1;
      mWidth=1;
	}
   Rectangle(int a ,int b)
	{ mLength=a;
      mWidth=b;
	}
	int Perimeter()
	{  return 2*(mLength+mWidth);}
    int Area()
	{ return mLength*mWidth;}
	public void  show()
	{ System.out.println("矩形长为："+mLength);
	  System.out.println("矩形宽为："+mWidth);
	}
}
class Cube extends Rectangle
{ int mLength;
  int mWidth;
  int mDepth;
  /*Cube(int Length,int Width,int Depth)
	{ mLength=Length;
      mWidth=Width;
      mDepth=Depth;
	}*/
   Cube()
	{ mLength=1;
      mWidth=1;
      mDepth=1;
	}
   Cube(int a,int b,int c)
	{ mLength=a;
      mWidth=b;
      mDepth=c;
	}
  int Area()
	{ return 2*(mLength*mWidth+mLength*mDepth+mWidth*mDepth);}
  int Volume()
	{ return mLength*mWidth*mDepth;}
  public void  show()
	{ System.out.println("立方体长为："+mLength);
	  System.out.println("立方体宽为："+mWidth);
      System.out.println("立方体高为："+mDepth);
	}
}
class Jieguo1
{ public static void main(String[] args) 
	  {
		int a,v;
       Cube  Cube1 =new Cube(4,7,9);
       Cube  Cube2 =new Cube(2,8,3);
	   a=Cube1.Area();
	   v=Cube1.Volume();
       Cube1.show();
	   System.out.println("Cube1的面积是："+a);
       System.out.println("Cube1的体积是："+v);
       a=Cube2.Area();
	   v=Cube2.Volume();
       Cube2.show();
	   System.out.println("Cube2的面积是："+a);
       System.out.println("Cube2的体积是："+v);
	   }
}