以矩阵格式打印二维数组 [英] Printing out a 2D array in matrix format
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问题描述
如何以矩阵框格式打印一个简单的 int[][]
,就像我们手写矩阵的格式一样.简单的循环运行显然不起作用.如果有帮助,我会尝试在 linux ssh 终端中编译此代码.
How can I print out a simple int[][]
in the matrix box format like the format in which we handwrite matrices in. A simple run of loops doesn't apparently work. If it helps I'm trying to compile this code in a linux ssh terminal.
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
System.out.println(matrix[i][j] + " ");
}
System.out.println();
}
推荐答案
final int[][] matrix = {
{ 1, 2, 3 },
{ 4, 5, 6 },
{ 7, 8, 9 }
};
for (int i = 0; i < matrix.length; i++) {
for (int j = 0; j < matrix[i].length; j++) {
System.out.print(matrix[i][j] + " ");
}
System.out.println();
}
产生:
1 2 3
4 5 6
7 8 9
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