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QSortAlgorithm.javaAPI DocExample1679Tue Dec 12 18:57:46 GMT 2000None

QSortAlgorithm

public class QSortAlgorithm extends SortAlgorithm
A quick sort demonstration algorithm SortAlgorithm.java, Thu Oct 27 10:32:35 1994
author
James Gosling
version
1.6f, 31 Jan 1995

Fields Summary
Constructors Summary
Methods Summary
voidsort(int[] a, int lo0, int hi0)

	int lo = lo0;
	int hi = hi0;
	pause(lo, hi);
	if (lo >= hi) {
	    return;
	}
	int mid = a[(lo + hi) / 2];
	while (lo < hi) {
	    while (lo<hi && a[lo] < mid) {
		lo++;
	    }
	    while (lo<hi && a[hi] > mid) {
		hi--;
	    }
	    if (lo < hi) {
		int T = a[lo];
		a[lo] = a[hi];
		a[hi] = T;
                lo++;
                hi--;
		pause();
	    }
	}
	if (hi < lo) {
	    int T = hi;
	    hi = lo;
	    lo = T;
	}
	sort(a, lo0, lo);
	sort(a, lo == lo0 ? lo+1 : lo, hi0);
voidsort(int[] a)

	sort(a, 0, a.length-1);