增加一个新值到数组的最后,下面哪一个选项是正确的()。A、arr[value]=lengthB、arr[arr.length()]=valueC、arr[arr.length]=valueD、arr.length=value
增加一个新值到数组的最后,下面哪一个选项是正确的()。
- A、arr[value]=length
- B、arr[arr.length()]=value
- C、arr[arr.length]=value
- D、arr.length=value
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