数组

数组的定义和初始化

一维数组的定义和初始化:

int[] a = new int[3];

int a[] = new int[3];

int[] a = {1, 2, 3};

int[] a = new int[]{1, 2, 3};

多维数组的定义和初始化:

int[][] ab = new int[3][3];

int ab[][] = new int[3][3];

int[][] ab = {1, {1, 2}, {1, 2, 3}};

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