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How many columns does a have if it is created as follows int[][] a = {{2, 4, 6, 8}, {1, 2, 3, 4}};?

层数组的长度为四,因而共有四列。
2

Which of the following statements assigns the letter S to the third row and first column of a two-dimensional array named strGrid (assuming row-major order).

记住索引是实际次序减一。
4

How would you get the value 6 out of the following array int[][] a = {{2, 4, 6, 8}, {1, 2, 3, 4}};?

6位于第一行第三列,对应的索引是[0][2]
3


陈 欣

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