Bubble Sort Algorithm


Click on the applet below to see the algorithm run.

Bubble Sort


/*
 * @(#)BubbleSortAlgorithm.java	1.6f 95/01/31 James Gosling
 *
 * Copyright (c) 1994-1996 Sun Microsystems, Inc. All Rights Reserved.
 *
 * See additional copyright information below.
 *
 *
 * A bubble sort demonstration algorithm based on
 * SortAlgorithm.java and
 * SortItem.java.
 *
 * @author James Gosling
 * modified by Alyce Brady
 * @version 	1.6f, 31 Jan 1995
 */

class BubbleSortAlgorithm extends SortAlgorithm {
    void sort(int a[]) throws Exception
    {
	// Loop through the array, comparing adjacent items.  If they
	// are in the wrong order with respect to each other, they are
	// swapped.  In each pass, the next smallest item "bubbles" all
	// the way to the top.
	for (int i = 0; i < a.length; i++)
	    for (int j = a.length-1; j > i; j--)
	    {	if (stopRequested)
		    return;
		if (a[j-1] > a[j])
		{   int T = a[j-1];
		    a[j-1] = a[j];
		    a[j] = T;
		}
		pause(i,j);
	    }
	
    }
}

/*
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 * without fee is hereby granted. 
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 * for further important copyright and trademark information and to
 * http://java.sun.com/licensing.html for further important licensing
 * information for the Java (tm) Technology.
 * 
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 * 
 * THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
 * CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE
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Original sorting algorithms by:

James Gosling, jag@firstperson.com