如何以 3D 排列方式打印不同尺寸的矩阵？答案

【问题标题】：How can I print matrices of different dimensions in a 3D arrangement?如何以 3D 排列方式打印不同尺寸的矩阵？
【发布时间】：2021-06-22 16:57:26
【问题描述】：

我不知道你是否理解我，但我做了一个 3D 数组，其中每个“矩阵”具有相同的行但不同的列：

int nMatrix = 3, rows = 5;
String[][][] matrix = new String[nMatrix][][];
matrix[0] = new String[rows][r.nextInt(3) + 5];
matrix[1] = new String[rows][r.nextInt(3) + 5];
matrix[2] = new String[rows][r.nextInt(3) + 5];

我希望我可以同时打印这个：

// 5x5 matrix
[ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ]

// 5x7 matrix
[ ] [ ] [ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ] [ ] [ ]

// 5x6 matrix
[ ] [ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ] [ ]

有可能做这样的事情吗？

【问题讨论】：

标签： java arrays matrix multidimensional-array

【解决方案1】：

试试这个。

for (String[][] x : matrix) {
    for (String[] y : x)
        System.out.println(Arrays.toString(y));
    System.out.println();
}

输出：

[null, null, null, null, null]
[null, null, null, null, null]
[null, null, null, null, null]
[null, null, null, null, null]
[null, null, null, null, null]

[null, null, null, null, null, null, null]
[null, null, null, null, null, null, null]
[null, null, null, null, null, null, null]
[null, null, null, null, null, null, null]
[null, null, null, null, null, null, null]

[null, null, null, null, null, null]
[null, null, null, null, null, null]
[null, null, null, null, null, null]
[null, null, null, null, null, null]
[null, null, null, null, null, null]

【讨论】：