摘要 :public class Test { public static void main(String[] args) { int[][]arr = new int[3][4]; int count = 0; // 对数组的元素赋值 arr[0][0] = 11; arr[0][1] = 12; arr[0][2] = 13; arr[0][3] = 14; arr[1][0] = 21; arr[1][1] = 22; arr[1][2] = 23...