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package Utils.Sort;
/**
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*/
public class QuickSort implements SortStrategy
{
private static final int CUTOFF = 3; //µ±ÔªËØÊý´óÓÚ´Ëֵʱ²ÉÓÿìËÙÅÅÐò
/**
*ÀûÓÿìËÙÅÅÐòËã·¨¶ÔÊý×éobj½øÐÐÅÅÐò£¬ÒªÇó´ýÅÅÐòµÄÊý×鱨ÐëʵÏÖÁËComparable½Ó¿Ú
*/
public void sort(Comparable[] obj)
{
if (obj == null)
{
throw new NullPointerException("The argument can not be null!");
}
quickSort(obj, 0, obj.length - 1);
}
/**
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*@param obj¡¡´ýÅÅÐòµÄÊý×é
*@param left Êý×éµÄϽç
*@param right Êý×éµÄÉϽç
*/
private void quickSort(Comparable[] obj, int left, int right)
{
if (left + CUTOFF > right)
{
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package Utils.Sort;
/**
*Ï£¶ûÅÅÐò£¬ÒªÇó´ýÅÅÐòµÄÊý×鱨ÐëʵÏÖComparable½Ó¿Ú
*/
public class ShellSort implements SortStrategy
{
private int[] increment;
/**
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package Utils.Sort;
/**
*¹é²¢ÅÅÐò£¬ÒªÇó´ýÅÅÐòµÄÊý×鱨ÐëʵÏÖComparable½Ó¿Ú
*/
public class MergeSort implements SortStrategy
{
private Comparable[] bridge;
/**
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