Java实现快速排序

    技术2022-05-20  43

    package com.ht.sort;

    /*** Created by IntelliJ IDEA.* Date: 2009-10-21* Time: 16:21:49*/public class QuickSort {

        static int partition(Integer[] iarray, int low,int high) {        int temp = iarray[low];        while(low<high) {            while(low<high && iarray[high]>=temp) {                --high;            }            iarray[low] = iarray[high];            while(low<high && iarray[low]<=temp) {                ++low;            }            iarray[high] = iarray[low];        }        iarray[low] = temp;        return low;    }    static void qSort(Integer[] iarray,int low,int high) {        if(low<high) {            int loc = partition(iarray,low,high);            qSort(iarray,low,loc-1);            qSort(iarray,loc+1,high);        }    }    static void quickSort(Integer[] iarray) {        qSort(iarray,0,iarray.length-1);    }

        public static void main(String[] args) {        Integer[] iarray = {49,38,65,97,76,13,27,49,5};        quickSort(iarray);        for(Integer i:iarray) {            System.out.print(i+",");        }    }}


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