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}};