; lookup++) {             if (isObjectKey) {                 if (objectKeyTable[lookup] != null) {                     return lookup;                 }             } else if (isIntKey) {                 if (intKeyTable[lookup] != 0) {                     return lookup;                 } else if (hasZeroKey && lookup == zeroKeyIndex) {                     return lookup;                 }             } else {                 if (longKeyTable[lookup] != 0) {                     return lookup;                 } else if (hasZeroKey && lookup == zeroKeyIndex) {                     return lookup;                 }             }         }          return lookup;     }      /**      * find the next lookup in the key/value tables with an entry      * 