/**
* @param x
* @return
*/
private int length(Vector x) {
int count = 0;
for (Numeric n : x) {
if (n.booleanValue()) {
count++;
}
}
return count;
}
private String getSubSequence(Vector x, String target) {
StringBuilder builder = new StringBuilder();
for (int i = 0; i < x.size(); i++) {
Numeric n = x.get(i);
if (n.booleanValue()) {
builder.append(target.charAt(i));
}
}
return builder.toString();
}