// assignVals() -- assigns random values to all but specified # of vars
// populates vars with random Doubles
public void assignVals(int lo, int hi, int pow, int difficulty) {
shuffle();
for (int i = difficulty; i < varList.size(); i++) {
vars.put(varList.get(i), randomNum(lo, hi, pow));
}
addKeys();
}
// assignVals() -- assigns random values to all but one varible
// populates HashMap
public void assignVals(int lo, int hi, int pow) {
shuffle();
for (int i = 1; i < varList.size(); i++) {
vars.put(varList.get(i), randomNum(lo, hi, pow));
}
vars.put(varList.get(0), null);
}