Metodo burbuja en Java

public class Burbuja {
static int [] vec = {312, 614, 88, 22, 54};  
void ordenar (int [] v, int cant) {  
if (cant > 1) {  
for (int f = 0 ; f < cant - 1 ; f++)//  
if (v [f] > v [f + 1]) {  
int aux = v [f];  
v [f] = v [f + 1];  
v [f + 1] = aux;  
}  
ordenar (v, cant - 1);  
}  
}  
void imprimir () {  
for (int f = 0 ; f < vec.length ; f++)  
System.out.print (vec [f] + " ");  
System.out.println("\n");  
}  

public static void main (String [] ar) {  
Recursivdad r = new Burbuja();  
r.imprimir ();  
r.ordenar (vec, vec.length);  
r.imprimir ();  
}
}