a.java

java中包的应用

package mypackage;
final class M
{
   public int compare_count;
   public int exchange_count;
   public int move_count;
//***********构造器*********************  
   M(int compare_count,int exchange_count,int move_count)
   {
     this.compare_count=compare_count;
     this.exchange_count=exchange_count;
     this.move_count=move_count;
   };
//**********toString方法*******************
   public String toString()
   {
     String information="比较次数："+compare_count +"  交换次数:"+exchange_count
    +"  移动次数："+move_count;
     return information;
   };
};

abstract class A
{  
   public int compare_count;
   public int exchange_count;
   public int move_count;
   String a;
   abstract void sort(String[] arg);
   A()
   {
     compare_count=0;
     exchange_count=0;
     move_count=0;
   };
   final void exam_insertsort(int com_num, int mov_num, int exc_num)
   {
      compare_count=com_num;
      move_count=mov_num;
      exchange_count=exc_num; 
     System.out.println( new M(compare_count,move_count,exchange_count));
   };

   final void exam_selectsort(int com_num, int mov_num, int exc_num)
   {
      compare_count=com_num;
      move_count=mov_num;
      exchange_count=exc_num;
      System.out.println( new M(compare_count,move_count,exchange_count));    
   };
   
   final void exam_bubblesort(int com_num, int mov_num, int exc_num)
   {
      compare_count=com_num;
      move_count=mov_num;
      exchange_count=exc_num; 
      System.out.println( new M(compare_count,move_count,exchange_count));
   };
   
   public void display(String arg[])//输出数组
   {     
       for(int k=1;k<arg.length;k++)
         System.out.print(Integer.parseInt(arg[k])+"  ");
       System.out.println("");
   };
     
};