多维数组

package array;

public class ArraysDemo05 {
public static void main(String[] args) {

    //[4][2] 4行2列
    /*
        1,2     arrays[0]
        3,4     arrays[1]
        5,6     arrays[2]
        7,8     arrays[3]
     */
    int[][] arrays= {{1,2},{3,4},{5,6},{7,8}};

    //System.out.println(arrays[0][0]);
    //System.out.println(arrays[0][1]);
    printArray(arrays[0]);

    System.out.println(arrays.length);
    System.out.println(arrays[0].length);

    for (int i = 0; i < arrays.length; i++) {
        for (int j = 0; j < arrays[i].length; j++) {
            System.out.println(arrays[i][j]);
        }
    }
}

//打印数组元素
public static void printArray(int arrays[]){
    for (int i = 0; i < arrays.length; i++) {
        System.out.print(arrays[i]+" ");
    }
}

}

多维数组

原文：https://www.cnblogs.com/bizhenghe/p/14026097.html