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Java数据结构---基于数组的表__教程

日期：2007-5-20 0:37:03 人气：88 [大中小]

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   System.err.println("Can't insert in a full list!!");
  }

  else{
   list[length]=insertItem.getCopy();
  length++;
  }
}
public void removeAt(int location){
  if(location<0||location>=length){
   System.err.println("The location you want to remove is out of range!!");
  }
  else{
   for(int i=location;i    list[i]=list[i+1];
   }
   list[length]=null;
   length--;
  }
}
    public DataElement retrieveAt(int location){
     if(location<0||location>=length){
      System.err.println("The location of item to be retrieved is out of range!!");
         return null;
     }
     else{
      return list[location].getCopy();
     }
    }
    public void replacAt(int location,DataElement repItem){
     if(location<0||location>=length)
      System.out.println("The position of item to be replaced is out of range!!");
     else
      list[location]=repItem.getCopy();
    }
    public void clearList(){
     for(int i=0;i      list[i]=null;
     }
     length=0;
     System.gc();
    }
    public void copyList(ArrayListClass otherList){
     if(this!=otherList){
      for(int i=0;i       list[i]=null;
      System.gc();
      maxSize=otherList.maxSize;
      length=otherList.length;
      list=new DataElement[maxSize];

      for(int j=0;j       list[j]=otherList.list[j].getCopy();
     }
    }

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