📜  java 矩阵长度 - Java 代码示例

📅  最后修改于: 2022-03-11 14:52:20.848000             🧑  作者: Mango

代码示例1
public static void main(String[] args) {

    int[][] foo = new int[][] {
        new int[] { 1, 2, 3 },
        new int[] { 1, 2, 3, 4},
    };

    System.out.println(foo.length); //2
    System.out.println(foo[0].length); //3
    System.out.println(foo[1].length); //4
}