if (symbol != null) {
++count;
int index = calcHash(symbol) & mIndexMask;
if (mSymbols[index] == null) {
mSymbols[index] = symbol;
++count;
String symbol = b.getSymbol();
int index = calcHash(symbol) & mIndexMask;
if (mSymbols[index] == null) {
mSymbols[index] = symbol;