我有一个数组
然后有:
如果我使用
如何避免在这里使用2D数组?
word_array
,我想把所有句子中的单词都加入到它里面。例如:word_array = []
sentence_1 = "my first sentence"
sentence_2 = "my second sentence"
然后有:
word_array = ["my", "first", "sentence", "my", "second", "sentence"]
如果我使用
split()
:word_array << sentence_1.split
word_array << sentence_2.split
I get:
word_array = [["my", "first", "sentence"], ["my", "second", "sentence"]]
如何避免在这里使用2D数组?