public boolean find(long searchKey) { // find specified value
		int j;
		for (j = 0; j < nElems; j++)
			// for each element,
			if (a[j] == searchKey) // found item?
				break; // exit loop before end
		if (j == nElems) // gone to end?
			return false; // yes, can’t find it
		else
			return true; // no, found it
	} // end find()