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DEV/DEV3.2/ancien_controle/GeneriqueBulles.java

55 lines
1.5 KiB
Java

import java.util.LinkedList;
import java.util.Queue;
public class GeneriqueBulles<T extends Comparable<T>> {
// Méthode bulle générique
public static <T extends Comparable<T>> boolean bulle(Queue<T> source, Queue<T> destination) {
boolean changed = false;
if (source.isEmpty()) {
return false;
}
T prev = source.poll();
while (!source.isEmpty()) {
T current = source.poll();
if (prev.compareTo(current) > 0) {
changed = true;
destination.add(current);
prev = prev;
} else {
destination.add(prev);
prev = current;
}
}
destination.add(prev);
return changed;
}
// Méthode tri générique
public static <T extends Comparable<T>> void tri(Queue<T> file) {
Queue<T> intermediaire = new LinkedList<>();
boolean changed;
do {
changed = bulle(file, intermediaire);
Queue<T> temp = file;
file = intermediaire;
intermediaire = temp;
} while (changed);
while (!file.isEmpty()) {
System.out.print(file.poll() + " ");
}
System.out.println();
}
public static void main(String[] args) {
Queue<String> file = new LinkedList<>();
file.add("Banane");
file.add("Pomme");
file.add("Orange");
file.add("Ananas");
tri(file);
}
}