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VCAFE.3.0A
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BidirBubbleSortAlgorithm.java
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1998-09-15
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/*
* @(#)BidirBubbleSortAlgorithm.java 1.3 96/12/06
*
* Copyright (c) 2070, 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
/**
* A bi-directional bubble sort demonstration algorithm
* SortAlgorithm.java, Thu Oct 27 10:32:35 1994
*
* @author James Gosling
* @version 1.6f, 31 Jan 1995
*/
class BidirBubbleSortAlgorithm extends SortAlgorithm {
void sort(int a[]) throws Exception {
int j;
int limit = a.length;
int st = -1;
while (st < limit) {
st++;
limit--;
boolean swapped = false;
for (j = st; j < limit; j++) {
if (stopRequested) {
return;
}
if (a[j] > a[j + 1]) {
int T = a[j];
a[j] = a[j + 1];
a[j + 1] = T;
swapped = true;
}
pause(st, limit);
}
if (!swapped) {
return;
}
else
swapped = false;
for (j = limit; --j >= st;) {
if (stopRequested) {
return;
}
if (a[j] > a[j + 1]) {
int T = a[j];
a[j] = a[j + 1];
a[j + 1] = T;
swapped = true;
}
pause(st, limit);
}
if (!swapped) {
return;
}
}
}
}