上机.4/28

package aaaaa;

public class JUxin {  private double len;  private double wen;  

   public double getlength() {      

   return len;     }    

public double getwidth() {      

   return wen;     }    

public double squre()     {      

   return this.len*this.wen;     }  

public void setlen(double len){   

 this.len=len;  }

 public void setwen(double wen){   this.wen=wen;  }

}

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package aaaaa;

public class tsss extends JUxin{    

 private double height;

  public double getHeight() {   

  return height;     }

 public void setHeight(double height) {        

this.height = height;     }      

public double tiji()     {        

return this.getlength()*this.getHeight()*this.getwidth();     }

}

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package aaaaa;

import java.util.Scanner;

public class emmm {

    public static void main(String[] args) {

         JUxin j= new JUxin();       

   Scanner in = new Scanner(System.in);         

System.out.println("intput length:");         

double length =in.nextDouble();         

System.out.println("intput wide:");         

double wide=in.nextDouble();        

  System.out.println("intput height:");         

double height= in.nextDouble();         

j.setlen(length);        

  j.setwen(wide);            

System.out.println("矩形的长为："+j.getlength()+"  宽为："+j.getwidth());         

System.out.println("矩形的面积为："+j.squre());          

tsss c = new tsss();       

   c.setHeight(height);      

    c.setlen(length);     

     c.setwen(wide);      

    System.out.println("长方体的长为："+c.getlength()+"  宽为："+c.getwidth()+"  高为："+c.getHeight());        

  System.out.println("长方体的体积为："+c.tiji());             

         }

 }