private void nukeSymbols(){
  _count=0;
  _longestCollisionList=0;
  Arrays.fill(_mainHash,0);
  Arrays.fill(_mainNames,null);
  Arrays.fill(_collList,null);
  _collCount=0;
  _collEnd=0;
}

private void nukeSymbols ( ) { _count = 0 ; _longestCollisionList = 0 ; Arrays . fill ( _mainHash , 0 ) ; Arrays . fill ( _mainNames , null ) ; Arrays . fill ( _collList , null ) ; _collCount = 0 ; _collEnd = 0 ; }
helper method called to empty all shared symbols , but to leave arrays allocated
