For loops and while loops

[patz]

I am an ok java programmer but struggle when it comes to loops.

Im trying to implement a brute force attack at the moment, it can perfrom an attack using a nested For loop. But I am trying to change it to a while loop.
While loops are what I have major issues with.

this is the For loop i have:

for (int e = 0; e < 37; e++) {
bAtt[5] = alphanum[e];
for (int f = 0; f < 37; f++) {
bAtt[4] = alphanum[f];

for (int h = 0; h < 37; h++) {
bAtt[3] = alphanum[h];
for (int g = 0; g < 37; g++) {
bAtt[2] = alphanum[g];

for (int i = 0; i < 37; i++) {
bAtt[1] = alphanum[i];
for (int j = 0; j < 37; j++) {
bAtt[0] = alphanum[j];

if i could get some help as to how someone would approach to do this in a while loop that would be great.

thanks patz.

[patz]

I am an ok java programmer but struggle when it comes to loops.

Im trying to implement a brute force attack at the moment, it can perfrom an attack using a nested For loop. But I am trying to change it to a while loop.
While loops are what I have major issues with.

this is the For loop i have:

for (int e = 0; e < 37; e++) {
bAtt[5] = alphanum[e];
for (int f = 0; f < 37; f++) {
bAtt[4] = alphanum[f];

for (int h = 0; h < 37; h++) {
bAtt[3] = alphanum[h];
for (int g = 0; g < 37; g++) {
bAtt[2] = alphanum[g];

for (int i = 0; i < 37; i++) {
bAtt[1] = alphanum[i];
for (int j = 0; j < 37; j++) {
bAtt[0] = alphanum[j];

if i could get some help as to how someone would approach to do this in a while loop that would be great.

thanks patz.

apologies that was unclear

String[] bAtt = new bAtt[6];
String[] alphanum = {"", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j",
"k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w",
"x", "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9"};

for (int e = 0; e < 37; e++) {
bAtt[5] = alphanum[e];
for (int f = 0; f < 37; f++) {
bAtt[4] = alphanum[f];

for (int h = 0; h < 37; h++) {
bAtt[3] = alphanum[h];
for (int g = 0; g < 37; g++) {
bAtt[2] = alphanum[g];

for (int i = 0; i < 37; i++) {
bAtt[1] = alphanum[i];
for (int j = 0; j < 37; j++) {
bAtt[0] = alphanum[j];