能否構(gòu)造一個(gè)方法，將"abcdefghi"拆成一個(gè)數(shù)組{"a","b",...}或者{"ab","cd","ef",...}或者{"abc","def","ghi"}方法能否運(yùn)用于數(shù)字，將"123456789"拆成這樣？